diff --git a/src/components/ReportActionAvatars/ReportActionAvatar.tsx b/src/components/ReportActionAvatars/ReportActionAvatar.tsx
index 806548c7b982..214ed95d61a0 100644
--- a/src/components/ReportActionAvatars/ReportActionAvatar.tsx
+++ b/src/components/ReportActionAvatars/ReportActionAvatar.tsx
@@ -330,7 +330,7 @@ function ReportActionAvatarMultipleHorizontal({
     const theme = useTheme();
     const styles = useThemeStyles();
     const StyleUtils = useStyleUtils();
-    const {localeCompare, formatPhoneNumber} = useLocalize();
+    const {localeCompare, formatPhoneNumber, translate} = useLocalize();
 
     const [personalDetails] = useOnyx(ONYXKEYS.PERSONAL_DETAILS_LIST);
 
@@ -370,8 +370,8 @@ function ReportActionAvatarMultipleHorizontal({
     }, [icons, maxAvatarsInRow, shouldDisplayAvatarsInRows]);
 
     const tooltipTexts = useMemo(
-        () => (shouldShowTooltip ? icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, icon.name)) : ['']),
-        [shouldShowTooltip, icons, formatPhoneNumber],
+        () => (shouldShowTooltip ? icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, translate, icon.name)) : ['']),
+        [shouldShowTooltip, icons, formatPhoneNumber, translate],
     );
 
     return avatarRows.map((avatars, rowIndex) => (
@@ -482,11 +482,11 @@ function ReportActionAvatarMultipleDiagonal({
     const theme = useTheme();
     const styles = useThemeStyles();
     const StyleUtils = useStyleUtils();
-    const {formatPhoneNumber} = useLocalize();
+    const {formatPhoneNumber, translate} = useLocalize();
 
     const tooltipTexts = useMemo(
-        () => (shouldShowTooltip ? icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, icon.name)) : ['']),
-        [shouldShowTooltip, icons, formatPhoneNumber],
+        () => (shouldShowTooltip ? icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, translate, icon.name)) : ['']),
+        [shouldShowTooltip, icons, formatPhoneNumber, translate],
     );
     const removeRightMargin = icons.length === 2 && size === CONST.AVATAR_SIZE.X_LARGE;
     const avatarContainerStyles = StyleUtils.getContainerStyles(size, isInReportAction);
diff --git a/src/components/Search/SearchList/ListItem/AttendeesCell.tsx b/src/components/Search/SearchList/ListItem/AttendeesCell.tsx
index fb2bd5fb719d..92c160e1b2c6 100644
--- a/src/components/Search/SearchList/ListItem/AttendeesCell.tsx
+++ b/src/components/Search/SearchList/ListItem/AttendeesCell.tsx
@@ -46,7 +46,7 @@ function AttendeesCell({attendees, isHovered, isPressed}: AttendeesCellProps) {
     const theme = useTheme();
     const styles = useThemeStyles();
     const StyleUtils = useStyleUtils();
-    const {localeCompare, formatPhoneNumber} = useLocalize();
+    const {localeCompare, formatPhoneNumber, translate} = useLocalize();
 
     const [personalDetails] = useOnyx(ONYXKEYS.PERSONAL_DETAILS_LIST);
 
@@ -59,7 +59,7 @@ function AttendeesCell({attendees, isHovered, isPressed}: AttendeesCellProps) {
     const avatarContainerStyles = StyleUtils.combineStyles([styles.alignItemsCenter, styles.flexRow, StyleUtils.getHeight(height), styles.overflowHidden]);
 
     const icons = sortIconsByName(attendeeIcons, personalDetails, localeCompare);
-    const tooltipTexts = icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, icon.name));
+    const tooltipTexts = icons.map((icon) => getUserDetailTooltipText(Number(icon.id), formatPhoneNumber, translate, icon.name));
 
     return (
         <View
diff --git a/src/components/UserDetailsTooltip/BaseUserDetailsTooltip/index.tsx b/src/components/UserDetailsTooltip/BaseUserDetailsTooltip/index.tsx
index 9a961025b971..35b55e4f85e3 100644
--- a/src/components/UserDetailsTooltip/BaseUserDetailsTooltip/index.tsx
+++ b/src/components/UserDetailsTooltip/BaseUserDetailsTooltip/index.tsx
@@ -25,7 +25,7 @@ function BaseUserDetailsTooltip({accountID, fallbackUserDetails, icon, delegateA
     const isCurrentUserAnonymous = session?.accountID === accountID && isAnonymousUser(session);
 
     const userDetails = personalDetails?.[accountID] ?? fallbackUserDetails ?? {};
-    let userDisplayName = getUserDetailTooltipText(accountID, formatPhoneNumber, userDetails.displayName ? userDetails.displayName.trim() : '');
+    let userDisplayName = getUserDetailTooltipText(accountID, formatPhoneNumber, translate, userDetails.displayName ? userDetails.displayName.trim() : '');
     let userLogin = !isCurrentUserAnonymous && userDetails.login?.trim() && userDetails.login !== userDetails.displayName ? formatPhoneNumber(userDetails.login) : '';
 
     let userAvatar = userDetails.avatar;
@@ -35,7 +35,7 @@ function BaseUserDetailsTooltip({accountID, fallbackUserDetails, icon, delegateA
     // the Copilot feature is implemented.
     if (delegateAccountID && delegateAccountID > 0) {
         const delegateUserDetails = personalDetails?.[delegateAccountID];
-        const delegateUserDisplayName = getUserDetailTooltipText(delegateAccountID, formatPhoneNumber);
+        const delegateUserDisplayName = getUserDetailTooltipText(delegateAccountID, formatPhoneNumber, translate);
         userDisplayName = `${delegateUserDisplayName} (${translate('reportAction.asCopilot')} ${userDisplayName})`;
         userLogin = delegateUserDetails?.login ?? '';
         userAvatar = delegateUserDetails?.avatar;
diff --git a/src/libs/ReportUtils.ts b/src/libs/ReportUtils.ts
index adc6b0755786..946093c3b5ba 100644
--- a/src/libs/ReportUtils.ts
+++ b/src/libs/ReportUtils.ts
@@ -4154,8 +4154,8 @@ function getDisplayNamesWithTooltips(
 /**
  * Returns the the display names of the given user accountIDs
  */
-function getUserDetailTooltipText(accountID: number, formatPhoneNumber: LocaleContextProps['formatPhoneNumber'], fallbackUserDisplayName = ''): string {
-    const displayNameForParticipant = getDisplayNameForParticipant({accountID, formatPhoneNumber});
+function getUserDetailTooltipText(accountID: number, formatPhoneNumber: LocaleContextProps['formatPhoneNumber'], translate: LocalizedTranslate, fallbackUserDisplayName = ''): string {
+    const displayNameForParticipant = getDisplayNameForParticipant({accountID, formatPhoneNumber, translate});
     return displayNameForParticipant || fallbackUserDisplayName;
 }
 
@@ -5782,7 +5782,7 @@ function getReportPreviewMessage(translate: LocalizedTranslate, params: GetRepor
     const policyName = getPolicyName({report: parentReport ?? report, policy});
     const payerName = isExpenseReport(report)
         ? policyName
-        : getDisplayNameForParticipant({accountID: report.managerID, shouldUseShortForm: !isPreviewMessageForParentChatReport, formatPhoneNumber: formatPhoneNumberPhoneUtils});
+        : getDisplayNameForParticipant({accountID: report.managerID, shouldUseShortForm: !isPreviewMessageForParentChatReport, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate});
 
     const formattedAmount = convertToDisplayString(totalAmount, report.currency);
 
@@ -5839,7 +5839,7 @@ function getReportPreviewMessage(translate: LocalizedTranslate, params: GetRepor
         let actualPayerName =
             report.managerID === deprecatedCurrentUserAccountID && !isForListPreview
                 ? ''
-                : getDisplayNameForParticipant({accountID: payerAccountID, shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils});
+                : getDisplayNameForParticipant({accountID: payerAccountID, shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate});
 
         actualPayerName = actualPayerName && isForListPreview && !isPreviewMessageForParentChatReport ? `${actualPayerName}:` : actualPayerName;
         const payerDisplayName = isPreviewMessageForParentChatReport ? payerName : actualPayerName;
@@ -5858,7 +5858,8 @@ function getReportPreviewMessage(translate: LocalizedTranslate, params: GetRepor
     }
 
     if (report.isWaitingOnBankAccount) {
-        const submitterDisplayName = getDisplayNameForParticipant({accountID: report.ownerAccountID, shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils}) ?? '';
+        const submitterDisplayName =
+            getDisplayNameForParticipant({accountID: report.ownerAccountID, shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate}) ?? '';
         return translate('iou.waitingOnBankAccount', submitterDisplayName);
     }
 
@@ -5887,13 +5888,17 @@ function getReportPreviewMessage(translate: LocalizedTranslate, params: GetRepor
         // We only want to show the actor name in the preview if it's not the current user who took the action
         const requestorName =
             lastActorID && lastActorID !== deprecatedCurrentUserAccountID
-                ? getDisplayNameForParticipant({accountID: lastActorID, shouldUseShortForm: !isPreviewMessageForParentChatReport, formatPhoneNumber: formatPhoneNumberPhoneUtils})
+                ? getDisplayNameForParticipant({accountID: lastActorID, shouldUseShortForm: !isPreviewMessageForParentChatReport, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate})
                 : '';
         return `${requestorName ? `${requestorName}: ` : ''}${translate('iou.expenseAmount', amountToDisplay, comment)}`;
     }
 
     if (containsNonReimbursable) {
-        return translate('iou.payerSpentAmount', formattedAmount, getDisplayNameForParticipant({accountID: report.ownerAccountID, formatPhoneNumber: formatPhoneNumberPhoneUtils}) ?? '');
+        return translate(
+            'iou.payerSpentAmount',
+            formattedAmount,
+            getDisplayNameForParticipant({accountID: report.ownerAccountID, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate}) ?? '',
+        );
     }
     return translate('iou.payerOwesAmount', formattedAmount, payerName ?? '', comment);
 }
@@ -6227,7 +6232,7 @@ function getModifiedExpenseOriginalMessage(
 /**
  * Get the payee name given a report.
  */
-function getPayeeName(report: OnyxEntry<Report>): string | undefined {
+function getPayeeName(report: OnyxEntry<Report>, translate: LocalizedTranslate): string | undefined {
     if (isEmptyObject(report)) {
         return undefined;
     }
@@ -6239,7 +6244,7 @@ function getPayeeName(report: OnyxEntry<Report>): string | undefined {
     if (participantsWithoutCurrentUser.length === 0) {
         return undefined;
     }
-    return getDisplayNameForParticipant({accountID: participantsWithoutCurrentUser.at(0), shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils});
+    return getDisplayNameForParticipant({accountID: participantsWithoutCurrentUser.at(0), shouldUseShortForm: true, formatPhoneNumber: formatPhoneNumberPhoneUtils, translate});
 }
 
 // TODO: currentUserEmail will be required eventually so this becomes a pure function. Subscribe the data via useOnyx and pass it from the component. Refactor issue: https://github.com/Expensify/App/issues/66412
diff --git a/src/pages/inbox/report/ReportActionCompose/AttachmentPickerWithMenuItems.tsx b/src/pages/inbox/report/ReportActionCompose/AttachmentPickerWithMenuItems.tsx
index db60fb351493..466aadb383ff 100644
--- a/src/pages/inbox/report/ReportActionCompose/AttachmentPickerWithMenuItems.tsx
+++ b/src/pages/inbox/report/ReportActionCompose/AttachmentPickerWithMenuItems.tsx
@@ -257,7 +257,7 @@ function AttachmentPickerWithMenuItems({
             [CONST.IOU.TYPE.PAY]: [
                 {
                     icon: getIconForAction(CONST.IOU.TYPE.SEND, icons),
-                    text: translate('iou.paySomeone', getPayeeName(report)),
+                    text: translate('iou.paySomeone', getPayeeName(report, translate)),
                     shouldCallAfterModalHide: shouldUseNarrowLayout,
                     sentryLabel: CONST.SENTRY_LABEL.REPORT.ATTACHMENT_PICKER_MENU_PAY_SOMEONE,
                     onSelected: () => {
diff --git a/src/pages/iou/request/DistanceRequestStartPage.tsx b/src/pages/iou/request/DistanceRequestStartPage.tsx
index 1f2202d02864..6b5fe6bdc525 100644
--- a/src/pages/iou/request/DistanceRequestStartPage.tsx
+++ b/src/pages/iou/request/DistanceRequestStartPage.tsx
@@ -60,8 +60,8 @@ function DistanceRequestStartPage({
     const tabTitles = {
         [CONST.IOU.TYPE.REQUEST]: translate('iou.trackDistance'),
         [CONST.IOU.TYPE.SUBMIT]: translate('iou.trackDistance'),
-        [CONST.IOU.TYPE.SEND]: translate('iou.paySomeone', getPayeeName(report)),
-        [CONST.IOU.TYPE.PAY]: translate('iou.paySomeone', getPayeeName(report)),
+        [CONST.IOU.TYPE.SEND]: translate('iou.paySomeone', getPayeeName(report, translate)),
+        [CONST.IOU.TYPE.PAY]: translate('iou.paySomeone', getPayeeName(report, translate)),
         [CONST.IOU.TYPE.SPLIT]: translate('iou.splitExpense'),
         [CONST.IOU.TYPE.SPLIT_EXPENSE]: translate('iou.splitExpense'),
         [CONST.IOU.TYPE.TRACK]: translate('iou.trackDistance'),
diff --git a/src/pages/iou/request/IOURequestStartPage.tsx b/src/pages/iou/request/IOURequestStartPage.tsx
index 459b737efd7e..88608acbc3c4 100644
--- a/src/pages/iou/request/IOURequestStartPage.tsx
+++ b/src/pages/iou/request/IOURequestStartPage.tsx
@@ -92,8 +92,8 @@ function IOURequestStartPage({
     const tabTitles = {
         [CONST.IOU.TYPE.REQUEST]: translate('iou.createExpense'),
         [CONST.IOU.TYPE.SUBMIT]: translate('iou.createExpense'),
-        [CONST.IOU.TYPE.SEND]: translate('iou.paySomeone', getPayeeName(report)),
-        [CONST.IOU.TYPE.PAY]: translate('iou.paySomeone', getPayeeName(report)),
+        [CONST.IOU.TYPE.SEND]: translate('iou.paySomeone', getPayeeName(report, translate)),
+        [CONST.IOU.TYPE.PAY]: translate('iou.paySomeone', getPayeeName(report, translate)),
         [CONST.IOU.TYPE.SPLIT]: translate('iou.splitExpense'),
         [CONST.IOU.TYPE.SPLIT_EXPENSE]: translate('iou.splitExpense'),
         [CONST.IOU.TYPE.TRACK]: translate('iou.createExpense'),
diff --git a/tests/unit/ReportUtilsTest.ts b/tests/unit/ReportUtilsTest.ts
index f0f1f6234e1b..37018372bc6d 100644
--- a/tests/unit/ReportUtilsTest.ts
+++ b/tests/unit/ReportUtilsTest.ts
@@ -109,6 +109,7 @@ import {
     getParentNavigationSubtitle,
     getParsedComment,
     getParticipantsList,
+    getPayeeName,
     getPolicyChangeLogCopyMessage,
     getPolicyExpenseChat,
     getPolicyIDsWithEmptyReportsForAccount,
@@ -134,6 +135,7 @@ import {
     getTransactionsWithReceipts,
     getUnheldReimbursableTotal,
     getUnreportedTransactionMessage,
+    getUserDetailTooltipText,
     getViolatingReportIDForRBRInLHN,
     getWorkspaceIcon,
     getWhisperDisplayNames,
@@ -16185,6 +16187,33 @@ describe('ReportUtils', () => {
                 // ...but the report-action-message variant is always the English text, regardless of the loaded locale
                 expect(getReportPreviewReportActionMessage(params)).toBe(getReportPreviewMessage(englishTranslate, params));
             });
+
+            it('routes the participant display name through the injected translate function', async () => {
+                const hiddenManagerAccountID = 987654;
+                const iouReport: Report = {
+                    ...LHNTestUtils.getFakeReport(),
+                    reportID: 'preview-marker-report',
+                    type: CONST.REPORT.TYPE.IOU,
+                    currency: CONST.CURRENCY.USD,
+                    managerID: hiddenManagerAccountID,
+                    stateNum: CONST.REPORT.STATE_NUM.OPEN,
+                    statusNum: CONST.REPORT.STATUS_NUM.OPEN,
+                };
+                await Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT}${iouReport.reportID}`, iouReport);
+                // A participant with no name resolves to the "hidden" copy, which is produced by the injected translate
+                await Onyx.merge(ONYXKEYS.PERSONAL_DETAILS_LIST, {
+                    [hiddenManagerAccountID]: {accountID: hiddenManagerAccountID, login: '', displayName: ''},
+                });
+
+                // A translate that tags the hidden-participant fallback so we can prove the preview used it
+                const translateWithMarker: LocalizedTranslate = (path, ...parameters) =>
+                    path === 'common.hidden' ? 'HiddenParticipantMarker' : translate(CONST.LOCALES.EN, path, ...parameters);
+
+                const result = getReportPreviewMessage(translateWithMarker, {reportOrID: iouReport});
+
+                // The manager's name resolves to the marker, proving getDisplayNameForParticipant received the injected translate
+                expect(result).toContain('HiddenParticipantMarker');
+            });
         });
 
         describe('getReportPreviewReportActionMessage (hardcoded English)', () => {
@@ -16209,6 +16238,50 @@ describe('ReportUtils', () => {
         });
     });
 
+    describe('getUserDetailTooltipText', () => {
+        it('routes the display name through the injected translate function', async () => {
+            const hiddenAccountID = 778899;
+            // A participant with no name resolves to the "hidden" copy, which is produced by the injected translate
+            await Onyx.merge(ONYXKEYS.PERSONAL_DETAILS_LIST, {
+                [hiddenAccountID]: {accountID: hiddenAccountID, login: '', displayName: ''},
+            });
+            await waitForBatchedUpdates();
+
+            const translateWithMarker: LocalizedTranslate = (path, ...parameters) => (path === 'common.hidden' ? 'HiddenTooltipMarker' : translate(CONST.LOCALES.EN, path, ...parameters));
+
+            // The nameless participant resolves to the marker, proving getDisplayNameForParticipant received the injected translate
+            expect(getUserDetailTooltipText(hiddenAccountID, formatPhoneNumber, translateWithMarker)).toBe('HiddenTooltipMarker');
+        });
+
+        it('falls back to the provided display name when the participant has no resolvable name', () => {
+            // accountID 0 short-circuits getDisplayNameForParticipant to '', so the fallback name is returned
+            expect(getUserDetailTooltipText(0, formatPhoneNumber, translateLocal, 'Fallback Name')).toBe('Fallback Name');
+        });
+    });
+
+    describe('getPayeeName', () => {
+        it('routes the payee display name through the injected translate function', async () => {
+            const hiddenPayeeAccountID = 665544;
+            const report: Report = {
+                ...LHNTestUtils.getFakeReport(),
+                reportID: 'payee-marker-report',
+                participants: {
+                    [hiddenPayeeAccountID]: {notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS},
+                },
+            };
+            // A payee with no name resolves to the "hidden" copy, which is produced by the injected translate
+            await Onyx.merge(ONYXKEYS.PERSONAL_DETAILS_LIST, {
+                [hiddenPayeeAccountID]: {accountID: hiddenPayeeAccountID, login: '', displayName: ''},
+            });
+            await waitForBatchedUpdates();
+
+            const translateWithMarker: LocalizedTranslate = (path, ...parameters) => (path === 'common.hidden' ? 'HiddenPayeeMarker' : translate(CONST.LOCALES.EN, path, ...parameters));
+
+            // The nameless payee resolves to the marker, proving getDisplayNameForParticipant received the injected translate
+            expect(getPayeeName(report, translateWithMarker)).toBe('HiddenPayeeMarker');
+        });
+    });
+
     describe('isConciergeChatReport', () => {
         it('should return false for null/undefined report', () => {
             expect(isConciergeChatReport(null, '12345')).toBe(false);