Last name Surasai (Surasai 
) , across the world, is a very rare cognomen. The cognomen Surasai is habitual in Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Surasai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Surasai | India, Thailand |