Surname Suntirak (Suntirak 
) , worldwide, is an extremely rare cognomen. The surname Suntirak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much less frequently, Suntirak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suntirak | Thailand |
สุนทรรักษ์, and สุนธิรัก