Cognomen Anantasook (Anantasook 
) , around the globe, is an extremely rare last name. The family name Anantasook is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Anantasook | Thailand |
Sakanan, Chookiat, Keeratiya, and Natthanart