diff --git a/app/Http/Controllers/Sales/SalesDevelopmentApprovalController.php b/app/Http/Controllers/Sales/SalesDevelopmentApprovalController.php
index 821bfa21..ed2c8e05 100644
--- a/app/Http/Controllers/Sales/SalesDevelopmentApprovalController.php
+++ b/app/Http/Controllers/Sales/SalesDevelopmentApprovalController.php
@@ -170,6 +170,41 @@ public function updateStatus(Request $request, int $id)
         }
     }
 
+    /**
+     * 승인대기로 되돌리기
+     */
+    public function revertToPending(Request $request, int $id)
+    {
+        // 권한 체크
+        if (!auth()->user()->isAdmin()) {
+            abort(403, '접근 권한이 없습니다.');
+        }
+
+        try {
+            $management = $this->service->revertToPending($id);
+            $tenantName = $management->tenant?->company_name ?? '알 수 없음';
+
+            if ($request->header('HX-Request')) {
+                return response()->json([
+                    'success' => true,
+                    'message' => "{$tenantName}이(가) 승인대기로 이동되었습니다.",
+                ]);
+            }
+
+            return redirect()->route('sales.development.approvals.index')
+                ->with('success', "{$tenantName}이(가) 승인대기로 이동되었습니다.");
+        } catch (\InvalidArgumentException $e) {
+            if ($request->header('HX-Request')) {
+                return response()->json([
+                    'success' => false,
+                    'message' => $e->getMessage(),
+                ], 400);
+            }
+
+            return redirect()->back()->with('error', $e->getMessage());
+        }
+    }
+
     /**
      * 상세 정보 모달
      */
diff --git a/app/Services/Sales/SalesDevelopmentApprovalService.php b/app/Services/Sales/SalesDevelopmentApprovalService.php
index 33aa7098..bad33a04 100644
--- a/app/Services/Sales/SalesDevelopmentApprovalService.php
+++ b/app/Services/Sales/SalesDevelopmentApprovalService.php
@@ -202,6 +202,30 @@ public function updateHqStatus(int $id, string $status): SalesTenantManagement
         return $management->fresh();
     }
 
+    /**
+     * 승인대기로 되돌리기 (진행중 → pending)
+     */
+    public function revertToPending(int $id): SalesTenantManagement
+    {
+        $management = SalesTenantManagement::findOrFail($id);
+
+        // 이미 pending 상태인 경우
+        if ($management->hq_status === SalesTenantManagement::HQ_STATUS_PENDING) {
+            throw new \InvalidArgumentException('이미 승인대기 상태입니다.');
+        }
+
+        // handover(인계) 상태에서는 되돌리기 불가
+        if ($management->hq_status === SalesTenantManagement::HQ_STATUS_HANDOVER) {
+            throw new \InvalidArgumentException('인계 완료된 항목은 되돌릴 수 없습니다.');
+        }
+
+        $management->update([
+            'hq_status' => SalesTenantManagement::HQ_STATUS_PENDING,
+        ]);
+
+        return $management->fresh();
+    }
+
     /**
      * 상세 정보 조회
      */
diff --git a/resources/views/sales/development/approvals.blade.php b/resources/views/sales/development/approvals.blade.php
index 43de16e2..998c1c09 100644
--- a/resources/views/sales/development/approvals.blade.php
+++ b/resources/views/sales/development/approvals.blade.php
@@ -198,6 +198,38 @@ function updateStatus(id, name) {
     );
 }
 
+// 승인대기로 되돌리기
+function revertToPending(id, name) {
+    showConfirm(
+        `<strong>${name}</strong>을(를) 승인대기 상태로 되돌리시겠습니까?<br><small class="text-gray-500">개발 진행 상태가 초기화됩니다.</small>`,
+        () => {
+            fetch(`/sales/development/approvals/${id}/revert-pending`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                    'X-CSRF-TOKEN': '{{ csrf_token() }}',
+                    'Accept': 'application/json',
+                    'HX-Request': 'true'
+                }
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    showToast(data.message, 'success');
+                    window.location.reload();
+                } else {
+                    showToast(data.message || '되돌리기에 실패했습니다.', 'error');
+                }
+            })
+            .catch(error => {
+                showToast('서버 오류가 발생했습니다.', 'error');
+                console.error(error);
+            });
+        },
+        { title: '승인대기로 이동', icon: 'warning', confirmText: '이동' }
+    );
+}
+
 // 상세 모달 열기
 function openDetailModal(id) {
     document.getElementById('detailModal').classList.remove('hidden');
diff --git a/resources/views/sales/development/partials/progress-list.blade.php b/resources/views/sales/development/partials/progress-list.blade.php
index 81f8d5cd..d0684d57 100644
--- a/resources/views/sales/development/partials/progress-list.blade.php
+++ b/resources/views/sales/development/partials/progress-list.blade.php
@@ -81,8 +81,13 @@ class="px-2 py-1 bg-purple-500 hover:bg-purple-600 text-white text-xs font-mediu
                     </span>
                 </div>
 
-                {{-- 상세 버튼 --}}
-                <div class="flex items-center justify-end">
+                {{-- 버튼 --}}
+                <div class="flex items-center justify-end gap-1">
+                    <button type="button"
+                            onclick="revertToPending({{ $item->id }}, '{{ addslashes($companyName) }}')"
+                            class="px-2 py-1 bg-yellow-500 hover:bg-yellow-600 text-white text-xs font-medium rounded transition">
+                        승인대기로
+                    </button>
                     <button type="button"
                             onclick="openDetailModal({{ $item->id }})"
                             class="px-2 py-1 bg-gray-400 hover:bg-gray-500 text-white text-xs font-medium rounded transition">
diff --git a/routes/web.php b/routes/web.php
index 9e943993..ae68ae30 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -897,6 +897,8 @@
             ->name('approvals.reject');
         Route::post('/approvals/{id}/status', [\App\Http\Controllers\Sales\SalesDevelopmentApprovalController::class, 'updateStatus'])
             ->name('approvals.status');
+        Route::post('/approvals/{id}/revert-pending', [\App\Http\Controllers\Sales\SalesDevelopmentApprovalController::class, 'revertToPending'])
+            ->name('approvals.revert-pending');
         Route::get('/approvals/{id}/detail', [\App\Http\Controllers\Sales\SalesDevelopmentApprovalController::class, 'detail'])
             ->name('approvals.detail');
     });