Family name Wattanacharoenchai (Wattanacharoenchai 
) , in the world, is a very rare cognomen. The surname Wattanacharoenchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wattanacharoenchai | Thailand |
Vorapol, Suparaporn, and Chattawat