diff --git a/app/Services/ApprovalService.php b/app/Services/ApprovalService.php
index 29df180..4cadce7 100644
--- a/app/Services/ApprovalService.php
+++ b/app/Services/ApprovalService.php
@@ -1011,10 +1011,13 @@ private function generateDocumentNumber(int $tenantId): string
     /**
      * 결재 단계 생성
      * 프론트엔드 호환성: step_type/approver_id 또는 type/user_id 지원
+     * 중복 결재자 자동 제거
      */
     private function createApprovalSteps(Approval $approval, array $steps): void
     {
         $order = 1;
+        $processedApprovers = []; // 중복 체크용
+
         foreach ($steps as $step) {
             // 필드명 호환성: step_type 또는 type
             $stepType = $step['step_type'] ?? $step['type'] ?? null;
@@ -1024,6 +1027,12 @@ private function createApprovalSteps(Approval $approval, array $steps): void
             $stepOrder = $step['step_order'] ?? $order++;
 
             if ($stepType && $approverId) {
+                // 동일 결재자 중복 건너뛰기
+                if (in_array($approverId, $processedApprovers, true)) {
+                    continue;
+                }
+                $processedApprovers[] = $approverId;
+
                 ApprovalStep::create([
                     'approval_id' => $approval->id,
                     'step_order' => $stepOrder,