Surname ธาชาญ (ธาชาญ 
) , around the globe, is an extremely rare cognomen. The family name ธาชาญ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ธาชาญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธาชาญ | Thailand |