diff --git a/providers/amazon/docs/operators/s3_tables.rst b/providers/amazon/docs/operators/s3_tables.rst
index bf625e54dff16..207fa848bf403 100644
--- a/providers/amazon/docs/operators/s3_tables.rst
+++ b/providers/amazon/docs/operators/s3_tables.rst
@@ -33,6 +33,20 @@ To create an Amazon S3 Tables table bucket, use
     :start-after: [START howto_operator_s3tables_create_table_bucket]
     :end-before: [END howto_operator_s3tables_create_table_bucket]
 
+.. _howto/operator:S3TablesCreateNamespaceOperator:
+
+Create a Namespace
+------------------
+
+To create a namespace in an Amazon S3 Tables table bucket, use
+:class:`~airflow.providers.amazon.aws.operators.s3_tables.S3TablesCreateNamespaceOperator`.
+
+.. exampleinclude:: /../../amazon/tests/system/amazon/aws/example_s3_tables.py
+    :language: python
+    :dedent: 4
+    :start-after: [START howto_operator_s3tables_create_namespace]
+    :end-before: [END howto_operator_s3tables_create_namespace]
+
 .. _howto/operator:S3TablesCreateTableOperator:
 
 Create a Table
diff --git a/providers/amazon/src/airflow/providers/amazon/aws/operators/s3_tables.py b/providers/amazon/src/airflow/providers/amazon/aws/operators/s3_tables.py
index faed3e2ecea39..53dff2f1f03f8 100644
--- a/providers/amazon/src/airflow/providers/amazon/aws/operators/s3_tables.py
+++ b/providers/amazon/src/airflow/providers/amazon/aws/operators/s3_tables.py
@@ -252,3 +252,46 @@ def execute(self, context: Context) -> None:
         self.log.info("Deleting S3 Tables table bucket %s", self.table_bucket_arn)
         self.hook.conn.delete_table_bucket(tableBucketARN=self.table_bucket_arn)
         self.log.info("Deleted table bucket %s", self.table_bucket_arn)
+
+
+class S3TablesCreateNamespaceOperator(AwsBaseOperator[S3TablesHook]):
+    """
+    Create a namespace in an Amazon S3 Tables table bucket.
+
+    .. seealso::
+        For more information on how to use this operator, take a look at the guide:
+        :ref:`howto/operator:S3TablesCreateNamespaceOperator`
+
+    :param table_bucket_arn: The ARN of the table bucket. (templated)
+    :param namespace: The namespace name to create. (templated)
+    :param if_exists: Behavior when the namespace already exists.
+        ``"fail"`` raises an error, ``"skip"`` logs and returns.
+    """
+
+    template_fields: Sequence[str] = aws_template_fields("table_bucket_arn", "namespace")
+    aws_hook_class = S3TablesHook
+
+    def __init__(
+        self,
+        *,
+        table_bucket_arn: str,
+        namespace: str,
+        if_exists: Literal["fail", "skip"] = "skip",
+        **kwargs,
+    ) -> None:
+        super().__init__(**kwargs)
+        self.table_bucket_arn = table_bucket_arn
+        self.namespace = namespace
+        self.if_exists = if_exists
+
+    def execute(self, context: Context) -> str:
+        self.log.info("Creating namespace %s in %s", self.namespace, self.table_bucket_arn)
+        try:
+            self.hook.conn.create_namespace(tableBucketARN=self.table_bucket_arn, namespace=[self.namespace])
+        except ClientError as e:
+            if e.response["Error"]["Code"] == "ConflictException" and self.if_exists == "skip":
+                self.log.info("Namespace %s already exists, skipping.", self.namespace)
+            else:
+                raise
+        self.log.info("Namespace %s created.", self.namespace)
+        return self.namespace
diff --git a/providers/amazon/tests/system/amazon/aws/example_s3_tables.py b/providers/amazon/tests/system/amazon/aws/example_s3_tables.py
index 52492cc3542b4..f0bba39ed28ca 100644
--- a/providers/amazon/tests/system/amazon/aws/example_s3_tables.py
+++ b/providers/amazon/tests/system/amazon/aws/example_s3_tables.py
@@ -19,6 +19,7 @@
 from datetime import datetime
 
 from airflow.providers.amazon.aws.operators.s3_tables import (
+    S3TablesCreateNamespaceOperator,
     S3TablesCreateTableBucketOperator,
     S3TablesCreateTableOperator,
     S3TablesDeleteTableBucketOperator,
@@ -84,7 +85,13 @@ def delete_namespace(table_bucket_arn: str, namespace: str):
         table_bucket_name=bucket_name,
     )
     # [END howto_operator_s3tables_create_table_bucket]
-    setup_namespace = create_namespace(table_bucket_arn=create_table_bucket.output, namespace=namespace)
+    # [START howto_operator_s3tables_create_namespace]
+    setup_namespace = S3TablesCreateNamespaceOperator(
+        task_id="create_namespace",
+        table_bucket_arn=create_table_bucket.output,
+        namespace=namespace,
+    )
+    # [END howto_operator_s3tables_create_namespace]
 
     # [START howto_operator_s3tables_create_table]
     create_table = S3TablesCreateTableOperator(
diff --git a/providers/amazon/tests/unit/amazon/aws/operators/test_s3_tables.py b/providers/amazon/tests/unit/amazon/aws/operators/test_s3_tables.py
index 541c21cd5b8aa..e9b3bf714f6fe 100644
--- a/providers/amazon/tests/unit/amazon/aws/operators/test_s3_tables.py
+++ b/providers/amazon/tests/unit/amazon/aws/operators/test_s3_tables.py
@@ -25,6 +25,7 @@
 from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
 from airflow.providers.amazon.aws.hooks.s3_tables import S3TablesHook
 from airflow.providers.amazon.aws.operators.s3_tables import (
+    S3TablesCreateNamespaceOperator,
     S3TablesCreateTableBucketOperator,
     S3TablesCreateTableOperator,
     S3TablesDeleteTableBucketOperator,
@@ -231,3 +232,60 @@ def test_execute(self, mock_conn):
 
     def test_template_fields(self):
         validate_template_fields(self.operator)
+
+
+NAMESPACE = "test_namespace"
+
+
+class TestS3TablesCreateNamespaceOperator:
+    def setup_method(self):
+        self.operator = S3TablesCreateNamespaceOperator(
+            task_id="create_namespace",
+            table_bucket_arn=TABLE_BUCKET_ARN,
+            namespace=NAMESPACE,
+        )
+
+    @mock.patch.object(S3TablesHook, "conn", new_callable=mock.PropertyMock)
+    def test_execute(self, mock_conn):
+        mock_client = mock.MagicMock()
+        mock_conn.return_value = mock_client
+
+        result = self.operator.execute({})
+
+        mock_client.create_namespace.assert_called_once_with(
+            tableBucketARN=TABLE_BUCKET_ARN, namespace=[NAMESPACE]
+        )
+        assert result == NAMESPACE
+
+    @mock.patch.object(S3TablesHook, "conn", new_callable=mock.PropertyMock)
+    def test_execute_skip_existing(self, mock_conn):
+        mock_client = mock.MagicMock()
+        mock_client.create_namespace.side_effect = ClientError(
+            {"Error": {"Code": "ConflictException", "Message": "Already exists"}},
+            "CreateNamespace",
+        )
+        mock_conn.return_value = mock_client
+
+        result = self.operator.execute({})
+        assert result == NAMESPACE
+
+    @mock.patch.object(S3TablesHook, "conn", new_callable=mock.PropertyMock)
+    def test_execute_fail_on_conflict(self, mock_conn):
+        op = S3TablesCreateNamespaceOperator(
+            task_id="create_namespace",
+            table_bucket_arn=TABLE_BUCKET_ARN,
+            namespace=NAMESPACE,
+            if_exists="fail",
+        )
+        mock_client = mock.MagicMock()
+        mock_client.create_namespace.side_effect = ClientError(
+            {"Error": {"Code": "ConflictException", "Message": "Already exists"}},
+            "CreateNamespace",
+        )
+        mock_conn.return_value = mock_client
+
+        with pytest.raises(ClientError):
+            op.execute({})
+
+    def test_template_fields(self):
+        validate_template_fields(self.operator)