diff --git a/src/frostfs_testlib/s3/aws_cli_client.py b/src/frostfs_testlib/s3/aws_cli_client.py
index 69a097b..3bf335e 100644
--- a/src/frostfs_testlib/s3/aws_cli_client.py
+++ b/src/frostfs_testlib/s3/aws_cli_client.py
@@ -1332,4 +1332,47 @@ class AwsCliClient(S3ClientWrapper):
 
         return response
 
+    @reporter.step("Adds one or more tags to an IAM user")
+    def iam_tag_user(self, user_name: str, tags: list) -> dict:
+        tags_json = [{"Key": tag_key, "Value": tag_value} for tag_key, tag_value in tags]
+        cmd = (
+            f"aws {self.common_flags} iam tag-user --user-name {user_name} --tags '{json.dumps(tags_json)}' --endpoint {self.iam_endpoint}"
+        )
+        if self.profile:
+            cmd += f" --profile {self.profile}"
+
+        output = self.local_shell.exec(cmd).stdout
+        response = self._to_json(output)
+
+        return response
+
+
+    @reporter.step("List tags of IAM user")
+    def iam_list_user_tags(self, user_name: str) -> dict:
+        cmd = (
+            f"aws {self.common_flags} iam list-user-tags --user-name {user_name} --endpoint {self.iam_endpoint}"
+        )
+        if self.profile:
+            cmd += f" --profile {self.profile}"
+
+        output = self.local_shell.exec(cmd).stdout
+        response = self._to_json(output)
+
+        return response
+
+
+    @reporter.step("Removes the specified tags from the user")
+    def iam_untag_user(self, user_name: str, tag_keys: list) -> dict:
+        tag_keys_joined = ' '.join(tag_keys)
+        cmd = (
+            f"aws {self.common_flags} iam untag-user --user-name {user_name} --tag-keys {tag_keys_joined} --endpoint {self.iam_endpoint}"
+        )
+        if self.profile:
+            cmd += f" --profile {self.profile}"
+
+        output = self.local_shell.exec(cmd).stdout
+        response = self._to_json(output)
+
+        return response
+
 
diff --git a/src/frostfs_testlib/s3/boto3_client.py b/src/frostfs_testlib/s3/boto3_client.py
index 59da55a..bed316b 100644
--- a/src/frostfs_testlib/s3/boto3_client.py
+++ b/src/frostfs_testlib/s3/boto3_client.py
@@ -963,4 +963,23 @@ class Boto3ClientWrapper(S3ClientWrapper):
     @reporter.step("Updates the name and/or the path of the specified IAM user")
     def iam_update_user(self, user_name: str, new_name: str, new_path: Optional[str] = None) -> dict:
         response = self.boto3_iam_client.update_user(UserName=user_name, NewUserName=new_name, NewPath='/')
+        return response
+
+
+    @reporter.step("Adds one or more tags to an IAM user")
+    def iam_tag_user(self, user_name: str, tags: list) -> dict:
+        tags_json = [{"Key": tag_key, "Value": tag_value} for tag_key, tag_value in tags]
+        response = self.boto3_iam_client.tag_user(UserName=user_name, Tags=tags_json)
+        return response
+
+
+    @reporter.step("List tags of IAM user")
+    def iam_list_user_tags(self, user_name: str) -> dict:
+        response = self.boto3_iam_client.list_user_tags(UserName=user_name)
+        return response
+
+
+    @reporter.step("Removes the specified tags from the user")
+    def iam_untag_user(self, user_name: str, tag_keys: list) -> dict:
+        response = self.boto3_iam_client.untag_user(UserName=user_name, TagKeys=tag_keys)
         return response
\ No newline at end of file
diff --git a/src/frostfs_testlib/s3/interfaces.py b/src/frostfs_testlib/s3/interfaces.py
index 8cfc2bb..651be7a 100644
--- a/src/frostfs_testlib/s3/interfaces.py
+++ b/src/frostfs_testlib/s3/interfaces.py
@@ -550,3 +550,15 @@ class S3ClientWrapper(HumanReadableABC):
     @abstractmethod
     def iam_update_user(self, user_name: str, new_name: Optional[str] = None, new_path: Optional[str] = None) -> dict:
         '''Updates the name and/or the path of the specified IAM user'''
+
+    @abstractmethod
+    def iam_tag_user(self, user_name: str, tags: list) -> dict:
+        '''Adds one or more tags to an IAM user'''
+
+    @abstractmethod
+    def iam_list_user_tags(self, user_name: str) -> dict:
+        '''List tags of IAM user'''
+
+    @abstractmethod
+    def iam_untag_user(self, user_name: str, tag_keys: list) -> dict:
+        '''Removes the specified tags from the user'''
\ No newline at end of file