Cognomen สารวัตร (Sarawat 
, สารวัตร , Sarasawat 
) , in the world, is a rare family name. The surname สารวัตร is characteristic of Thailand, where it is a rare surname, Bangladesh, and Australia. Measured by absolute frequency, it is commonest in India, Thailand, and Bangladesh. Also, สารวัตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sarawat | Tanzania, Thailand, Australia, India, Bangladesh |
| สารวัตร | Thailand |
| Sarasawat | India, United States |
Saravatrat, Sardswad, and Sarsawad