Family name พฤติธรรม (พฤติธรรม 
) , globally, is an extremely rare surname. The family name พฤติธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พฤติธรรม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พฤติธรรม | Thailand |