Family name ชาญวิรัตน์ (ชาญวิรัตน์ 
) , globally, is a rare cognomen. The surname ชาญวิรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ชาญวิรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชาญวิรัตน์ | Thailand |