diff --git a/src/docs/asciidoc/index.adoc b/src/docs/asciidoc/index.adoc
index 69b0039..f3874f2 100644
--- a/src/docs/asciidoc/index.adoc
+++ b/src/docs/asciidoc/index.adoc
@@ -599,6 +599,12 @@ operation::notification/settings-get-success[snippets='http-request,request-head
 
 operation::notification/settings-update-success[snippets='http-request,request-headers,request-fields,http-response']
 
+== *5. 알림 읽기 API*
+
+=== *1-1* 성공
+
+operation::notification/notification-read-success[snippets='http-request,request-headers,request-fields,http-response,response-fields']
+
 [[푸시-API]]
 == *1. 푸시 토큰 전송 API*
 
diff --git a/src/main/java/com/polzzak/domain/notification/controller/NotificationController.java b/src/main/java/com/polzzak/domain/notification/controller/NotificationController.java
index 17ccaba..dba2b33 100644
--- a/src/main/java/com/polzzak/domain/notification/controller/NotificationController.java
+++ b/src/main/java/com/polzzak/domain/notification/controller/NotificationController.java
@@ -7,6 +7,7 @@
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -14,7 +15,9 @@
 
 import com.polzzak.domain.notification.dto.NotificationResponseWithCount;
 import com.polzzak.domain.notification.dto.NotificationSettingDto;
+import com.polzzak.domain.notification.dto.ReadNotificationId;
 import com.polzzak.domain.notification.dto.UpdateNotificationSetting;
+import com.polzzak.domain.notification.entity.Notification;
 import com.polzzak.domain.notification.service.NotificationService;
 import com.polzzak.global.common.ApiResponse;
 import com.polzzak.global.security.LoginId;
@@ -47,6 +50,14 @@ public ResponseEntity<ApiResponse<Void>> deleteNotifications(
 		return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
 	}
 
+	@PostMapping("/read")
+	public ResponseEntity<ApiResponse<Integer>> readNotification(
+		final @LoginId Long memberId,
+		final @RequestBody ReadNotificationId readNotificationId) {
+		notificationService.changeNotificationStatus(readNotificationId.notificationId(), Notification.Status.READ);
+		return ResponseEntity.ok(ApiResponse.ok(notificationService.getUnreadNotificationCount(memberId)));
+	}
+
 	@GetMapping("/settings")
 	public ResponseEntity<ApiResponse<NotificationSettingDto>> getNotificationSettings(final @LoginId Long memberId) {
 		return ResponseEntity.ok(ApiResponse.ok(notificationService.getNotificationSetting(memberId)));
diff --git a/src/main/java/com/polzzak/domain/notification/dto/ReadNotificationId.java b/src/main/java/com/polzzak/domain/notification/dto/ReadNotificationId.java
new file mode 100644
index 0000000..da3b4f6
--- /dev/null
+++ b/src/main/java/com/polzzak/domain/notification/dto/ReadNotificationId.java
@@ -0,0 +1,4 @@
+package com.polzzak.domain.notification.dto;
+
+public record ReadNotificationId(long notificationId) {
+}
diff --git a/src/main/java/com/polzzak/domain/notification/repository/NotificationRepository.java b/src/main/java/com/polzzak/domain/notification/repository/NotificationRepository.java
index 95188eb..6c8c1f6 100644
--- a/src/main/java/com/polzzak/domain/notification/repository/NotificationRepository.java
+++ b/src/main/java/com/polzzak/domain/notification/repository/NotificationRepository.java
@@ -21,6 +21,10 @@ Slice<Notification> findNotificationsByReceiverIdAndIdLessThan(final long member
 	@Query("UPDATE Notification n SET n.status = :status WHERE n.id IN :ids")
 	void updateStatusByIds(@Param("ids") List<Long> ids, @Param("status") Notification.Status status);
 
+	@Modifying
+	@Query("UPDATE Notification n SET n.status = :status WHERE n.id = :id")
+	void updateStatusById(@Param("id") long id, @Param("status") Notification.Status status);
+
 	@Query(nativeQuery = true, value = """
 		SELECT n.id
 		FROM notification n
diff --git a/src/main/java/com/polzzak/domain/notification/service/NotificationService.java b/src/main/java/com/polzzak/domain/notification/service/NotificationService.java
index c4db70e..119e0a6 100644
--- a/src/main/java/com/polzzak/domain/notification/service/NotificationService.java
+++ b/src/main/java/com/polzzak/domain/notification/service/NotificationService.java
@@ -71,6 +71,10 @@ public NotificationResponseWithCount getNotificationsAndChangeStatus(final Long
 		return NotificationResponseWithCount.from(notificationResponse, count);
 	}
 
+	public int getUnreadNotificationCount(final long memberId) {
+		return notificationRepository.countByStatusIsUnRead(memberId);
+	}
+
 	@Transactional
 	public void changeRequestNotificationStatus(final Long senderId, final Long receiverId,
 		final Notification.Status status) {
@@ -78,6 +82,11 @@ public void changeRequestNotificationStatus(final Long senderId, final Long rece
 		notificationRepository.updateStatusByIds(List.of(notificationId), status);
 	}
 
+	@Transactional
+	public void changeNotificationStatus(final long notificationId, final Notification.Status status) {
+		notificationRepository.updateStatusById(notificationId, status);
+	}
+
 	@Transactional
 	public void deleteNotifications(final List<Long> notificationIds) {
 		List<Notification> notifications = notificationRepository.findByIdIn(notificationIds);
diff --git a/src/test/java/com/polzzak/domain/notification/controller/NotificationControllerTest.java b/src/test/java/com/polzzak/domain/notification/controller/NotificationControllerTest.java
index 28aad3e..f46ace7 100644
--- a/src/test/java/com/polzzak/domain/notification/controller/NotificationControllerTest.java
+++ b/src/test/java/com/polzzak/domain/notification/controller/NotificationControllerTest.java
@@ -21,6 +21,7 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 
+import com.polzzak.domain.notification.dto.ReadNotificationId;
 import com.polzzak.domain.notification.service.NotificationService;
 import com.polzzak.domain.user.service.UserService;
 import com.polzzak.support.NotificationFixtures;
@@ -109,6 +110,33 @@ void deleteNotificationTest() throws Exception {
 				)));
 	}
 
+	@Test
+	@DisplayName("알림 읽기 테스트")
+	void readNotificationTest() throws Exception {
+		doNothing().when(notificationService).changeNotificationStatus(anyLong(), any());
+		when(notificationService.getUnreadNotificationCount(anyLong())).thenReturn(12);
+
+		mockMvc.perform(
+				post(BASE_URL + "/read")
+					.header(HttpHeaders.AUTHORIZATION, TOKEN_TYPE + USER_ACCESS_TOKEN)
+					.contentType(MediaType.APPLICATION_JSON)
+					.content(objectToString(new ReadNotificationId(45))))
+			.andDo(print())
+			.andExpect(status().isOk())
+			.andDo(document("notification/notification-read-success",
+				requestHeaders(
+					headerWithName(HttpHeaders.AUTHORIZATION).description("엑세스 토큰")
+				),
+				requestFields(
+					fieldWithPath("notificationId").description("읽을 알림 id")
+				),
+				responseFields(
+					fieldWithPath("code").description("응답 코드"),
+					fieldWithPath("messages").description("응답 메시지"),
+					fieldWithPath("data").description("남은 안 읽은 알림 수")
+					)));
+	}
+
 	@Test
 	@DisplayName("알림 설정 조회 테스트")
 	void getNotificationSettings() throws Exception {