Around the world, Wanichwetin (Wanichwetin 
) is a very rare masculine forename. The forename Wanichwetin is characteristic of Eastern Asia, particularly China, where it is an extremely rare masculine name. Likewise, Wanichwetin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wanichwetin | China, Thailand, Australia |