Family name สำรวย (Dandy 
, Samruay 
, Samruai 
) , around the world, is a common surname. The cognomen สำรวย is habitual in Mauritania, where it is quite a rare surname, Bahrain, and Indonesia. Measured by absolute frequency, this name is the most popular in Indonesia, Nigeria, and the United States. More prevalently, สำรวย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dandy | Philippines, Thailand, Indonesia, Democratic Republic of the Congo, Nigeria |
| Samruay | Canada, Thailand, United Kingdom, United States, Malaysia |
| Samruai | Thailand, United States, Malaysia, Iceland |