Family name Thavisak (Thavisak 
) , worldwide, is a rare cognomen. The surname Thavisak is characteristic of Laos, where it is quite a rare surname, France, where it is an extremely rare surname, and Thailand. In absolute terms, this name is the most popular in Laos, the United States, and France. Likewise, Thavisak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thavisak | Canada, Thailand, France, Laos, United States |