Family name Sarathai (Sarathai 
) , throughout the world, is a very rare surname. The family name Sarathai is habitual in Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Sarathai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sarathai | India, Malaysia, Thailand |