diff --git a/src/main/java/com/gongjakso/server/domain/portfolio/dto/request/PortfolioReq.java b/src/main/java/com/gongjakso/server/domain/portfolio/dto/request/PortfolioReq.java
index 0248b7e4..3043f9bb 100644
--- a/src/main/java/com/gongjakso/server/domain/portfolio/dto/request/PortfolioReq.java
+++ b/src/main/java/com/gongjakso/server/domain/portfolio/dto/request/PortfolioReq.java
@@ -1,11 +1,16 @@
 package com.gongjakso.server.domain.portfolio.dto.request;
 
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.annotation.Nullable;
+import jakarta.validation.constraints.Size;
 import java.time.LocalDate;
 import java.util.List;
 import lombok.Builder;
 
 @Builder
 public record PortfolioReq (
+        @Nullable
+        String portfolioName,
         List<Education> educationList,
         List<Work> workList,
         List<Activty> activityList,
@@ -35,18 +40,21 @@ public record Activty (
             Boolean isActive
     ) {
     }
+
     public record Award (
             String contestName,
             String awardName,
             LocalDate awardDate
     ) {
     }
+
     public record Certificate (
             String name,
             String rating,
             LocalDate certificationDate
     ) {
     }
+
     public record Sns (
             String snsLink
     ) {
diff --git a/src/main/java/com/gongjakso/server/domain/portfolio/dto/response/PortfolioRes.java b/src/main/java/com/gongjakso/server/domain/portfolio/dto/response/PortfolioRes.java
index 8771a902..a28ea0fb 100644
--- a/src/main/java/com/gongjakso/server/domain/portfolio/dto/response/PortfolioRes.java
+++ b/src/main/java/com/gongjakso/server/domain/portfolio/dto/response/PortfolioRes.java
@@ -10,6 +10,7 @@
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public record PortfolioRes (
         Long id,
+        String portfolioName,
         List<PortfolioData.Education> educationList,
         List<PortfolioData.Work> workList,
         List<PortfolioData.Activity> activityList,
@@ -21,6 +22,7 @@ public static PortfolioRes from(Portfolio portfolio) {
         PortfolioData portfolioData = portfolio.getPortfolioData();
         return new PortfolioRes(
                 portfolio.getId(),
+                portfolioData.portfolioName(),
                 portfolioData.educationList(),
                 portfolioData.workList(),
                 portfolioData.activityList(),
diff --git a/src/main/java/com/gongjakso/server/domain/portfolio/repository/PortfolioRepository.java b/src/main/java/com/gongjakso/server/domain/portfolio/repository/PortfolioRepository.java
index d61eea7f..d4bc90fc 100644
--- a/src/main/java/com/gongjakso/server/domain/portfolio/repository/PortfolioRepository.java
+++ b/src/main/java/com/gongjakso/server/domain/portfolio/repository/PortfolioRepository.java
@@ -6,4 +6,6 @@
 
 public interface PortfolioRepository extends JpaRepository<Portfolio, Long> {
     Optional<Portfolio> findByIdAndDeletedAtIsNull(Long portfolioId);
+
+    long countByDeletedAtIsNull();
 }
diff --git a/src/main/java/com/gongjakso/server/domain/portfolio/service/PortfolioService.java b/src/main/java/com/gongjakso/server/domain/portfolio/service/PortfolioService.java
index 6c8c2f3f..f2e64faf 100644
--- a/src/main/java/com/gongjakso/server/domain/portfolio/service/PortfolioService.java
+++ b/src/main/java/com/gongjakso/server/domain/portfolio/service/PortfolioService.java
@@ -22,6 +22,12 @@ public class PortfolioService {
 
     // PortfolioReq -> PortfolioData 변환
     private PortfolioData convertToPortfolioData(PortfolioReq portfolioReq) {
+        String portfolioName = portfolioReq.portfolioName();
+        if (portfolioName == null || portfolioName.isEmpty()) {
+            long existingPortfolioCount = portfolioRepository.countByDeletedAtIsNull();
+            portfolioName = "포트폴리오 " + (existingPortfolioCount + 1);
+        }
+
         List<PortfolioData.Education> educationList = portfolioReq.educationList() != null
                 ? portfolioReq.educationList().stream()
                 .map(education -> new PortfolioData.Education(
@@ -82,7 +88,7 @@ private PortfolioData convertToPortfolioData(PortfolioReq portfolioReq) {
                 .toList()
                 : List.of();
 
-        return new PortfolioData(educationList, workList, activityList, awardList, certificateList, snsList);
+        return new PortfolioData(portfolioName, educationList, workList, activityList, awardList, certificateList, snsList);
     }
 
     @Transactional
diff --git a/src/main/java/com/gongjakso/server/domain/portfolio/vo/PortfolioData.java b/src/main/java/com/gongjakso/server/domain/portfolio/vo/PortfolioData.java
index 28f80f00..a67c8420 100644
--- a/src/main/java/com/gongjakso/server/domain/portfolio/vo/PortfolioData.java
+++ b/src/main/java/com/gongjakso/server/domain/portfolio/vo/PortfolioData.java
@@ -4,6 +4,7 @@
 import java.util.List;
 
 public record PortfolioData (
+        String portfolioName,
         List<Education> educationList,
         List<Work> workList,
         List<Activity> activityList,
@@ -17,6 +18,7 @@ public record Education (
             Boolean isActive
     ) {
     }
+
     public record Work (
             String company,
             String partition,
@@ -26,23 +28,27 @@ public record Work (
             String detail
     ) {
     }
+
     public record Activity (
             String name,
             Boolean isActive
     ) {
     }
+
     public record Award (
             String contestName,
             String awardName,
             LocalDate awardDate
     ) {
     }
+
     public record Certificate (
             String name,
             String rating,
             LocalDate certificationDate
     ) {
     }
+
     public record Sns (
             String snsLink
     ) {