Family name Wanchaichana (Wanchaichana 
) , across the world, is an extremely rare cognomen. The cognomen Wanchaichana is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, Wanchaichana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanchaichana | Thailand |