diff --git a/API/ROLAC.API/DTOs/Expense/ExpenseDtos.cs b/API/ROLAC.API/DTOs/Expense/ExpenseDtos.cs
index e0278ab..9527125 100644
--- a/API/ROLAC.API/DTOs/Expense/ExpenseDtos.cs
+++ b/API/ROLAC.API/DTOs/Expense/ExpenseDtos.cs
@@ -26,7 +26,8 @@ public class ExpenseListItemDto
     public string   PrimaryCategoryName { get; set; } = "";   // first line's category (list hint; full breakdown via detail)
     public string?  VendorName  { get; set; }
     public int?     MemberId    { get; set; }
-    public string?  MemberName  { get; set; }
+    public string?  MemberName  { get; set; }      // legal name "FirstName_en LastName_en" (used on the printed check)
+    public string?  MemberNickName { get; set; }   // "NickName LastName_en"; null when the member has no distinct nickname
     public string   ExpenseDate { get; set; } = "";   // yyyy-MM-dd
     public bool     HasReceipt  { get; set; }
     public string?  CheckNumber { get; set; }
diff --git a/API/ROLAC.API/Services/ExpenseService.cs b/API/ROLAC.API/Services/ExpenseService.cs
index 1a407d9..5c2bfe3 100644
--- a/API/ROLAC.API/Services/ExpenseService.cs
+++ b/API/ROLAC.API/Services/ExpenseService.cs
@@ -83,8 +83,12 @@ public class ExpenseService : IExpenseService
         var minNames = await _db.Ministries.AsNoTracking().ToDictionaryAsync(m => m.Id, m => $"{m.Name_en} / {m.Name_zh}");
         var grpNames = await _db.ExpenseCategoryGroups.AsNoTracking().ToDictionaryAsync(g => g.Id, g => $"{g.Name_en} / {g.Name_zh}");
         var memberIds = rows.Where(r => r.MemberId != null).Select(r => r.MemberId!.Value).ToHashSet();
-        var memNames = await _db.Members.AsNoTracking().Where(m => memberIds.Contains(m.Id))
-            .ToDictionaryAsync(m => m.Id, m => $"{m.FirstName_en} {m.LastName_en}");
+        var memberNames = await _db.Members.AsNoTracking().Where(m => memberIds.Contains(m.Id))
+            .Select(m => new { m.Id, m.FirstName_en, m.LastName_en, m.NickName })
+            .ToDictionaryAsync(
+                m => m.Id,
+                m => new MemberPayeeName($"{m.FirstName_en} {m.LastName_en}",
+                                         BuildNickPayeeName(m.NickName, m.FirstName_en, m.LastName_en)));
         var reviewerNames = await ResolveUserNamesAsync(rows.Select(r => r.ReviewedBy));
 
         // Line count + first line's category, per expense on this page.
@@ -108,7 +112,8 @@ public class ExpenseService : IExpenseService
                 LineCount = ls?.Count ?? 0,
                 PrimaryCategoryName = grpNames.GetValueOrDefault(firstGroupId, ""),
                 VendorName = e.VendorName, MemberId = e.MemberId,
-                MemberName = e.MemberId != null ? memNames.GetValueOrDefault(e.MemberId.Value) : null,
+                MemberName = e.MemberId != null ? memberNames.GetValueOrDefault(e.MemberId.Value)?.Legal : null,
+                MemberNickName = e.MemberId != null ? memberNames.GetValueOrDefault(e.MemberId.Value)?.Nick : null,
                 ExpenseDate = e.ExpenseDate.ToString("yyyy-MM-dd"),
                 HasReceipt = e.ReceiptBlobPath != null,
                 CheckNumber = e.CheckNumber,
@@ -145,14 +150,41 @@ public class ExpenseService : IExpenseService
                 : (u.Email ?? u.Id));
     }
 
+    // Member payee names carried to the frontend: the legal name (printed on the check) and an
+    // optional friendly "NickName LastName" line shown above it.
+    private sealed record MemberPayeeName(string Legal, string? Nick);
+
+    // Build the friendly "NickName LastName" payee line, or null when the member has no distinct
+    // nickname (mirrors the frontend memberDisplayName rule: a nickname equal to the first name is not shown).
+    private static string? BuildNickPayeeName(string? nickName, string firstNameEn, string lastNameEn)
+    {
+        bool hasDistinctNickName = !string.IsNullOrWhiteSpace(nickName) && nickName != firstNameEn;
+        if (!hasDistinctNickName)
+        {
+            return null;
+        }
+        return $"{nickName} {lastNameEn}";
+    }
+
     public async Task<ExpenseDto?> GetByIdAsync(int id)
     {
         var e = await _db.Expenses.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id);
         if (e is null) return null;
         var minName = await _db.Ministries.Where(m => m.Id == e.MinistryId).Select(m => m.Name_en).FirstOrDefaultAsync() ?? "";
-        string? memName = e.MemberId != null
-            ? await _db.Members.Where(m => m.Id == e.MemberId).Select(m => m.FirstName_en + " " + m.LastName_en).FirstOrDefaultAsync()
-            : null;
+        string? memberName     = null;
+        string? memberNickName = null;
+        if (e.MemberId != null)
+        {
+            var member = await _db.Members.AsNoTracking()
+                .Where(m => m.Id == e.MemberId)
+                .Select(m => new { m.FirstName_en, m.LastName_en, m.NickName })
+                .FirstOrDefaultAsync();
+            if (member != null)
+            {
+                memberName     = $"{member.FirstName_en} {member.LastName_en}";
+                memberNickName = BuildNickPayeeName(member.NickName, member.FirstName_en, member.LastName_en);
+            }
+        }
 
         var reviewerName = e.ReviewedBy != null
             ? (await ResolveUserNamesAsync(new[] { e.ReviewedBy })).GetValueOrDefault(e.ReviewedBy)
@@ -174,7 +206,7 @@ public class ExpenseService : IExpenseService
             MinistryId = e.MinistryId, MinistryName = minName,
             LineCount = lineDtos.Count,
             PrimaryCategoryName = lineDtos.Count > 0 ? lineDtos[0].CategoryGroupName : "",
-            VendorName = e.VendorName, MemberId = e.MemberId, MemberName = memName,
+            VendorName = e.VendorName, MemberId = e.MemberId, MemberName = memberName, MemberNickName = memberNickName,
             ExpenseDate = e.ExpenseDate.ToString("yyyy-MM-dd"), HasReceipt = e.ReceiptBlobPath != null,
             CheckNumber = e.CheckNumber, Notes = e.Notes, ReviewNotes = e.ReviewNotes,
             ReviewedByName = reviewerName, ReviewedAt = e.ReviewedAt,
diff --git a/APP/src/app/features/expense/components/expense-review-dialog/expense-review-dialog.component.html b/APP/src/app/features/expense/components/expense-review-dialog/expense-review-dialog.component.html
index 5f93b33..f8540b3 100644
--- a/APP/src/app/features/expense/components/expense-review-dialog/expense-review-dialog.component.html
+++ b/APP/src/app/features/expense/components/expense-review-dialog/expense-review-dialog.component.html
@@ -10,7 +10,17 @@
       <div class="grid grid-cols-2 gap-x-4 gap-y-2 text-sm">
         <div class="text-gray-500">Date / 日期</div><div>{{ expense.expenseDate }}</div>
         <div class="text-gray-500">Ministry / 事工</div><div>{{ expense.ministryName }}</div>
-        <div class="text-gray-500">Payee / 收款人</div><div>{{ expense.vendorName || expense.memberName || '—' }}</div>
+        <div class="text-gray-500">Payee / 收款人</div>
+        <div>
+          <ng-container *ngIf="expense.vendorName; else memberPayee">{{ expense.vendorName }}</ng-container>
+          <ng-template #memberPayee>
+            <ng-container *ngIf="expense.memberName; else dash">
+              <div *ngIf="expense.memberNickName">{{ expense.memberNickName }}</div>
+              <div [class.text-gray-500]="expense.memberNickName" [class.text-xs]="expense.memberNickName">{{ expense.memberName }}</div>
+            </ng-container>
+            <ng-template #dash>—</ng-template>
+          </ng-template>
+        </div>
         <div class="text-gray-500">Description / 說明</div><div>{{ expense.description }}</div>
         <div class="text-gray-500">Status / 狀態</div><div>{{ expense.status }}</div>
       </div>
diff --git a/APP/src/app/features/expense/models/expense.model.ts b/APP/src/app/features/expense/models/expense.model.ts
index 07193c5..48cc39d 100644
--- a/APP/src/app/features/expense/models/expense.model.ts
+++ b/APP/src/app/features/expense/models/expense.model.ts
@@ -24,7 +24,8 @@ export interface ExpenseListItemDto {
   id: number; type: ExpenseType; status: ExpenseStatus; amount: number; description: string;
   ministryId: number; ministryName: string; lineCount: number; primaryCategoryName: string;
   vendorName: string | null;
-  memberId: number | null; memberName: string | null; expenseDate: string; hasReceipt: boolean;
+  memberId: number | null; memberName: string | null; memberNickName: string | null;
+  expenseDate: string; hasReceipt: boolean;
   checkNumber: string | null;
   reviewedByName: string | null; reviewedAt: string | null; reviewNotes: string | null;
 }
diff --git a/APP/src/app/features/expense/pages/expenses-page/expenses-page.component.html b/APP/src/app/features/expense/pages/expenses-page/expenses-page.component.html
index 30590ab..bd2b652 100644
--- a/APP/src/app/features/expense/pages/expenses-page/expenses-page.component.html
+++ b/APP/src/app/features/expense/pages/expenses-page/expenses-page.component.html
@@ -48,9 +48,16 @@
     </kendo-grid-column>
 
     <kendo-grid-column field="description" title="Description"></kendo-grid-column>
-    <kendo-grid-column title="Payee" [width]="150">
+    <kendo-grid-column title="Payee" [width]="180">
       <ng-template kendoGridCellTemplate let-dataItem>
-        {{ dataItem.vendorName || dataItem.memberName || '—' }}
+        <ng-container *ngIf="dataItem.vendorName; else memberPayee">{{ dataItem.vendorName }}</ng-container>
+        <ng-template #memberPayee>
+          <ng-container *ngIf="dataItem.memberName; else dash">
+            <div *ngIf="dataItem.memberNickName">{{ dataItem.memberNickName }}</div>
+            <div [class.text-gray-500]="dataItem.memberNickName" [class.text-xs]="dataItem.memberNickName">{{ dataItem.memberName }}</div>
+          </ng-container>
+          <ng-template #dash>—</ng-template>
+        </ng-template>
       </ng-template>
     </kendo-grid-column>