Family name Maichuay (Maichuay 
) , across the world, is a very rare surname. The family name Maichuay is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Maichuay | Thailand |
Wanna, Korapin, Kittipong, and Warangkana