diff --git a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/api/ChatMemberApi.java b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/api/ChatMemberApi.java
index ce466b655..b4b056b7a 100644
--- a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/api/ChatMemberApi.java
+++ b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/api/ChatMemberApi.java
@@ -73,4 +73,16 @@ ResponseEntity<?> joinChatRoom(
     )
     @ApiResponse(responseCode = "200", description = "채팅방 멤버 탈퇴 성공")
     ResponseEntity<?> leaveChatRoom(@PathVariable("chatRoomId") Long chatRoomId, @PathVariable("chatMemberId") Long chatMemberId);
+
+    @Operation(summary = "채팅방 멤버 추방", method = "DELETE", description = "채팅방 멤버를 추방한다. 채팅방장만이 채팅방 멤버를 추방할 수 있다.")
+    @Parameters({
+            @Parameter(name = "chatRoomId", description = "채팅방 ID", required = true, in = ParameterIn.PATH),
+            @Parameter(name = "chatMemberId", description = "추방할 채팅방 멤버 ID (user id가 아님)", required = true, in = ParameterIn.PATH)
+    })
+    @ApiResponseExplanations(errors = {
+            @ApiExceptionExplanation(value = ChatMemberErrorCode.class, constant = "NOT_FOUND", summary = "채팅방 멤버를 찾을 수 없음", description = "채팅방 멤버를 찾을 수 없어 채팅방 멤버 추방에 실패했습니다."),
+            @ApiExceptionExplanation(value = ChatMemberErrorCode.class, constant = "NOT_ADMIN", summary = "권한 없음", description = "권한이 없어 채팅방 멤버 추방에 실패했습니다.")
+    })
+    @ApiResponse(responseCode = "200", description = "채팅방 멤버 추방 성공")
+    ResponseEntity<?> banChatMember(@PathVariable("chatRoomId") Long chatRoomId, @PathVariable("chatMemberId") Long chatMemberId, @AuthenticationPrincipal SecurityUserDetails user);
 }
diff --git a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/controller/ChatMemberController.java b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/controller/ChatMemberController.java
index 9f975634a..467d01c92 100644
--- a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/controller/ChatMemberController.java
+++ b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/controller/ChatMemberController.java
@@ -61,4 +61,13 @@ public ResponseEntity<?> leaveChatRoom(@PathVariable("chatRoomId") Long chatRoom
 
         return ResponseEntity.ok(SuccessResponse.noContent());
     }
+
+    @Override
+    @DeleteMapping("/{chatMemberId}/ban")
+    @PreAuthorize("isAuthenticated() and @chatRoomManager.hasPermission(principal.userId, #chatRoomId)")
+    public ResponseEntity<?> banChatMember(@PathVariable("chatRoomId") Long chatRoomId, @PathVariable("chatMemberId") Long chatMemberId, @AuthenticationPrincipal SecurityUserDetails user) {
+        chatMemberUseCase.banChatMember(user.getUserId(), chatMemberId, chatRoomId);
+
+        return ResponseEntity.ok(SuccessResponse.noContent());
+    }
 }
diff --git a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/usecase/ChatMemberUseCase.java b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/usecase/ChatMemberUseCase.java
index 7878aaed5..631bfd0c0 100644
--- a/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/usecase/ChatMemberUseCase.java
+++ b/pennyway-app-external-api/src/main/java/kr/co/pennyway/api/apis/chat/usecase/ChatMemberUseCase.java
@@ -7,6 +7,8 @@
 import kr.co.pennyway.api.apis.chat.service.ChatMemberJoinService;
 import kr.co.pennyway.api.apis.chat.service.ChatMemberSearchService;
 import kr.co.pennyway.common.annotation.UseCase;
+import kr.co.pennyway.domain.context.chat.dto.ChatMemberBanCommand;
+import kr.co.pennyway.domain.context.chat.service.ChatMemberBanService;
 import kr.co.pennyway.domain.context.chat.service.ChatRoomLeaveService;
 import kr.co.pennyway.domain.domains.chatroom.domain.ChatRoom;
 import kr.co.pennyway.domain.domains.member.dto.ChatMemberResult;
@@ -24,6 +26,7 @@ public class ChatMemberUseCase {
     private final ChatMemberJoinService chatMemberJoinService;
     private final ChatMemberSearchService chatMemberSearchService;
     private final ChatRoomLeaveService chatRoomLeaveService;
+    private final ChatMemberBanService chatMemberBanService;
 
     public ChatRoomRes.Detail joinChatRoom(Long userId, Long chatRoomId, Integer password) {
         Triple<ChatRoom, Integer, Long> chatRoom = chatMemberJoinService.execute(userId, chatRoomId, password);
@@ -40,4 +43,8 @@ public List<ChatMemberRes.MemberDetail> readChatMembers(Long chatRoomId, Set<Lon
     public void leaveChatRoom(Long chatMemberId) {
         chatRoomLeaveService.execute(chatMemberId);
     }
+
+    public void banChatMember(Long userId, Long targetMemberId, Long chatRoomId) {
+        chatMemberBanService.execute(ChatMemberBanCommand.of(userId, targetMemberId, chatRoomId));
+    }
 }
diff --git a/pennyway-domain/domain-rdb/src/main/java/kr/co/pennyway/domain/domains/member/exception/ChatMemberErrorCode.java b/pennyway-domain/domain-rdb/src/main/java/kr/co/pennyway/domain/domains/member/exception/ChatMemberErrorCode.java
index 35deb4ce3..d26a7956c 100644
--- a/pennyway-domain/domain-rdb/src/main/java/kr/co/pennyway/domain/domains/member/exception/ChatMemberErrorCode.java
+++ b/pennyway-domain/domain-rdb/src/main/java/kr/co/pennyway/domain/domains/member/exception/ChatMemberErrorCode.java
@@ -10,6 +10,7 @@
 public enum ChatMemberErrorCode implements BaseErrorCode {
     /* 403 FORBIDDEN */
     BANNED(StatusCode.FORBIDDEN, ReasonCode.ACCESS_TO_THE_REQUESTED_RESOURCE_IS_FORBIDDEN, "차단된 회원입니다."),
+    NOT_ADMIN(StatusCode.FORBIDDEN, ReasonCode.ACCESS_TO_RESOURCE_NOT_ALLOWED_FOR_USER_ROLE, "관리자가 아닙니다."),
 
     /* 404 NOT FOUND */
     NOT_FOUND(StatusCode.NOT_FOUND, ReasonCode.REQUESTED_RESOURCE_NOT_FOUND, "회원을 찾을 수 없습니다."),
diff --git a/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/dto/ChatMemberBanCommand.java b/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/dto/ChatMemberBanCommand.java
new file mode 100644
index 000000000..0af4a4c51
--- /dev/null
+++ b/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/dto/ChatMemberBanCommand.java
@@ -0,0 +1,23 @@
+package kr.co.pennyway.domain.context.chat.dto;
+
+public record ChatMemberBanCommand(
+        Long userId,
+        Long targetMemberId,
+        Long chatRoomId
+) {
+    public ChatMemberBanCommand {
+        if (userId == null) {
+            throw new IllegalArgumentException("userId must not be null");
+        }
+        if (targetMemberId == null) {
+            throw new IllegalArgumentException("targetMemberId must not be null");
+        }
+        if (chatRoomId == null) {
+            throw new IllegalArgumentException("chatRoomId must not be null");
+        }
+    }
+
+    public static ChatMemberBanCommand of(Long adminId, Long targetMemberId, Long chatRoomId) {
+        return new ChatMemberBanCommand(adminId, targetMemberId, chatRoomId);
+    }
+}
diff --git a/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/service/ChatMemberBanService.java b/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/service/ChatMemberBanService.java
new file mode 100644
index 000000000..a4d6cf8ef
--- /dev/null
+++ b/pennyway-domain/domain-service/src/main/java/kr/co/pennyway/domain/context/chat/service/ChatMemberBanService.java
@@ -0,0 +1,36 @@
+package kr.co.pennyway.domain.context.chat.service;
+
+import kr.co.pennyway.common.annotation.DomainService;
+import kr.co.pennyway.domain.context.chat.dto.ChatMemberBanCommand;
+import kr.co.pennyway.domain.domains.member.domain.ChatMember;
+import kr.co.pennyway.domain.domains.member.exception.ChatMemberErrorCode;
+import kr.co.pennyway.domain.domains.member.exception.ChatMemberErrorException;
+import kr.co.pennyway.domain.domains.member.service.ChatMemberRdbService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@DomainService
+@RequiredArgsConstructor
+public class ChatMemberBanService {
+
+    private final ChatMemberRdbService chatMemberRdbService;
+
+    @Transactional
+    public void execute(ChatMemberBanCommand command) {
+        ChatMember admin = chatMemberRdbService.readChatMember(command.userId(), command.chatRoomId())
+                .orElseThrow(() -> new ChatMemberErrorException(ChatMemberErrorCode.NOT_FOUND));
+
+        if (!admin.isAdmin()) {
+            throw new ChatMemberErrorException(ChatMemberErrorCode.NOT_ADMIN);
+        }
+
+        ChatMember targetMember = chatMemberRdbService.readChatMemberByChatMemberId(command.targetMemberId())
+                .orElseThrow(() -> new ChatMemberErrorException(ChatMemberErrorCode.NOT_FOUND));
+
+        targetMember.ban();
+
+        chatMemberRdbService.update(targetMember);
+    }
+}