Surname Wanichwetin (Wanichwetin 
) , around the world, is a very rare cognomen. The family name Wanichwetin is characteristic of Thailand, where it is a very rare surname, and Australia. Also, Wanichwetin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanichwetin | Australia, China, Thailand |