Family name สมชนะ (สมชนะ 
) , all over the world, is a very rare cognomen. The cognomen สมชนะ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, สมชนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมชนะ | Thailand |