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