Family name Petchamrut (Petchamrut 
) , across the world, is a very rare cognomen. The family name Petchamrut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Petchamrut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petchamrut | Thailand |