Family name หินทราย (Rocksand 
, Rubpond 
, Hinsai 
) , around the globe, is a rare cognomen. The family name หินทราย is habitual in Thailand, where it is a rare surname, Mexico, where it is an extremely rare surname, and China. Likewise, หินทราย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rocksand | South Africa, Philippines, Mexico, United States, Canada |
| Rubpond, หินทราย | Thailand |
| Hinsai | India, China, Thailand |