diff --git a/autogen/agentchat/conversable_agent.py b/autogen/agentchat/conversable_agent.py
index a49f8a5b43b..c7351d4287c 100644
--- a/autogen/agentchat/conversable_agent.py
+++ b/autogen/agentchat/conversable_agent.py
@@ -17,6 +17,7 @@
 from .._pydantic import model_dump
 from ..cache.cache import AbstractCache
 from ..code_utils import (
+    PYTHON_VARIANTS,
     UNKNOWN,
     check_can_use_docker_or_throw,
     content_str,
@@ -2079,7 +2080,7 @@ def execute_code_blocks(self, code_blocks):
             )
             if lang in ["bash", "shell", "sh"]:
                 exitcode, logs, image = self.run_code(code, lang=lang, **self._code_execution_config)
-            elif lang in ["python", "Python"]:
+            elif lang in PYTHON_VARIANTS:
                 if code.startswith("# filename: "):
                     filename = code[11 : code.find("\n")].strip()
                 else:
diff --git a/autogen/code_utils.py b/autogen/code_utils.py
index d4b2ae99cf0..aa75756e04a 100644
--- a/autogen/code_utils.py
+++ b/autogen/code_utils.py
@@ -35,6 +35,7 @@
 DEFAULT_TIMEOUT = 600
 WIN32 = sys.platform == "win32"
 PATH_SEPARATOR = WIN32 and "\\" or "/"
+PYTHON_VARIANTS = ["python", "Python", "py"]
 
 logger = logging.getLogger(__name__)
 
@@ -244,6 +245,8 @@ def get_powershell_command():
 
 
 def _cmd(lang: str) -> str:
+    if lang in PYTHON_VARIANTS:
+        return "python"
     if lang.startswith("python") or lang in ["bash", "sh"]:
         return lang
     if lang in ["shell"]:
diff --git a/autogen/coding/local_commandline_code_executor.py b/autogen/coding/local_commandline_code_executor.py
index 44ba859265d..68ef76b7e7f 100644
--- a/autogen/coding/local_commandline_code_executor.py
+++ b/autogen/coding/local_commandline_code_executor.py
@@ -17,7 +17,7 @@
     to_stub,
 )
 
-from ..code_utils import TIMEOUT_MSG, WIN32, _cmd
+from ..code_utils import PYTHON_VARIANTS, TIMEOUT_MSG, WIN32, _cmd
 from .base import CodeBlock, CodeExecutor, CodeExtractor, CommandLineCodeResult
 from .markdown_code_extractor import MarkdownCodeExtractor
 from .utils import _get_file_name_from_content, silence_pip
@@ -217,6 +217,9 @@ def _execute_code_dont_check_setup(self, code_blocks: List[CodeBlock]) -> Comman
             LocalCommandLineCodeExecutor.sanitize_command(lang, code)
             code = silence_pip(code, lang)
 
+            if lang in PYTHON_VARIANTS:
+                lang = "python"
+
             if WIN32 and lang in ["sh", "shell"]:
                 lang = "ps1"
 
diff --git a/test/coding/test_commandline_code_executor.py b/test/coding/test_commandline_code_executor.py
index 5c20e856d60..a83282dec78 100644
--- a/test/coding/test_commandline_code_executor.py
+++ b/test/coding/test_commandline_code_executor.py
@@ -23,6 +23,7 @@
 
 UNIX_SHELLS = ["bash", "sh", "shell"]
 WINDOWS_SHELLS = ["ps1", "pwsh", "powershell"]
+PYTHON_VARIANTS = ["python", "Python", "py"]
 
 
 @pytest.mark.parametrize("cls", classes_to_test)
@@ -60,23 +61,26 @@ def test_commandline_executor_init(cls) -> None:
         executor = cls(timeout=111, work_dir="/invalid/directory")
 
 
+@pytest.mark.parametrize("py_variant", PYTHON_VARIANTS)
 @pytest.mark.parametrize("cls", classes_to_test)
-def test_commandline_executor_execute_code(cls) -> None:
+def test_commandline_executor_execute_code(cls, py_variant) -> None:
     with tempfile.TemporaryDirectory() as temp_dir:
         executor = cls(work_dir=temp_dir)
-        _test_execute_code(executor=executor)
+        _test_execute_code(py_variant, executor=executor)
 
 
-def _test_execute_code(executor: CodeExecutor) -> None:
+@pytest.mark.parametrize("py_variant", PYTHON_VARIANTS)
+def _test_execute_code(py_variant, executor: CodeExecutor) -> None:
+
     # Test single code block.
-    code_blocks = [CodeBlock(code="import sys; print('hello world!')", language="python")]
+    code_blocks = [CodeBlock(code="import sys; print('hello world!')", language=py_variant)]
     code_result = executor.execute_code_blocks(code_blocks)
     assert code_result.exit_code == 0 and "hello world!" in code_result.output and code_result.code_file is not None
 
     # Test multiple code blocks.
     code_blocks = [
-        CodeBlock(code="import sys; print('hello world!')", language="python"),
-        CodeBlock(code="a = 100 + 100; print(a)", language="python"),
+        CodeBlock(code="import sys; print('hello world!')", language=py_variant),
+        CodeBlock(code="a = 100 + 100; print(a)", language=py_variant),
     ]
     code_result = executor.execute_code_blocks(code_blocks)
     assert (
@@ -94,7 +98,7 @@ def _test_execute_code(executor: CodeExecutor) -> None:
 
     # Test running code.
     file_lines = ["import sys", "print('hello world!')", "a = 100 + 100", "print(a)"]
-    code_blocks = [CodeBlock(code="\n".join(file_lines), language="python")]
+    code_blocks = [CodeBlock(code="\n".join(file_lines), language=py_variant)]
     code_result = executor.execute_code_blocks(code_blocks)
     assert (
         code_result.exit_code == 0