diff --git a/src/main/java/com/elice/ustory/domain/user/repository/UserRepository.java b/src/main/java/com/elice/ustory/domain/user/repository/UserRepository.java
index f038bfa..084c8c0 100644
--- a/src/main/java/com/elice/ustory/domain/user/repository/UserRepository.java
+++ b/src/main/java/com/elice/ustory/domain/user/repository/UserRepository.java
@@ -15,5 +15,8 @@ public interface UserRepository extends JpaRepository<Users, Long> {
     boolean existsByEmail(String loginEmail);
 
     @Query(value = "SELECT COUNT(*) FROM users u WHERE u.email = :email", nativeQuery = true)
-    int existsByEmailWithSoftDeleted(@Param("email") String email);
+    int countByEmailWithSoftDeleted(@Param("email") String email);
+
+    @Query(value = "SELECT COUNT(*) FROM users u WHERE u.nickname = :nickname", nativeQuery = true)
+    int countByNicknameWithSoftDeleted(@Param("nickname") String nickname);
 }
diff --git a/src/main/java/com/elice/ustory/domain/user/service/EmailService.java b/src/main/java/com/elice/ustory/domain/user/service/EmailService.java
index 0030b8f..d9b2862 100644
--- a/src/main/java/com/elice/ustory/domain/user/service/EmailService.java
+++ b/src/main/java/com/elice/ustory/domain/user/service/EmailService.java
@@ -142,7 +142,7 @@ public EmailVerifyResponse validateEmail(String email) {
                     .build();
         }
 
-        int emailCountWithSoftDeleted = userRepository.existsByEmailWithSoftDeleted(email);
+        int emailCountWithSoftDeleted = userRepository.countByEmailWithSoftDeleted(email);
         if (emailCountWithSoftDeleted > 0) {
             return EmailVerifyResponse.builder()
                     .isSuccess(false)
diff --git a/src/main/java/com/elice/ustory/domain/user/service/UserService.java b/src/main/java/com/elice/ustory/domain/user/service/UserService.java
index c75ef9d..005da61 100644
--- a/src/main/java/com/elice/ustory/domain/user/service/UserService.java
+++ b/src/main/java/com/elice/ustory/domain/user/service/UserService.java
@@ -79,7 +79,9 @@ public Users signUp(SignUpRequest signUpRequest) {
 
         // 1-2. 이메일 중복 재확인
         String email = signUpRequest.getEmail();
-        if (userRepository.findByEmail(email).isPresent()) {
+
+        int emailCountWithSoftDeleted = userRepository.countByEmailWithSoftDeleted(email);
+        if (emailCountWithSoftDeleted > 0) {
             throw new ConflictException(String.format(UserMessageConstants.DUPLICATE_EMAIL_MESSAGE, email));
         }
 
@@ -262,7 +264,8 @@ public MyPageResponse showMyPage(Long userId) {
     public ValidateNicknameResponse isValidNickname(ValidateNicknameRequest validateNicknameRequest) {
         String nickname = validateNicknameRequest.getNickname();
 
-        if (userRepository.findByNickname(nickname).isPresent()) {
+        int nicknameCountWithSoftDeleted = userRepository.countByNicknameWithSoftDeleted(nickname);
+        if (nicknameCountWithSoftDeleted > 0) {
             return ValidateNicknameResponse.builder()
                     .isValid(false)
                     .isDuplicate(true)