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 | Bangladesh, Tanzania, Thailand, India, Australia |
| สารวัตร | Thailand |
| Sarasawat | United States, India |
Saravatrat, Sardswad, and Sarsawad