Last name พีรธรรม (พีรธรรม 
, Peeratham ) , across the world, is a very rare family name. The family name พีรธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, พีรธรรม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Peeratham, พีรธรรม | Thailand |