Family name Sanasu (Sanasu 
) , around the world, is a very rare cognomen. The last name Sanasu is characteristic of Thailand, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, this name is the most popular in Thailand, India, and Nigeria. More prevalently, Sanasu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanasu | Venezuela, Thailand, Nigeria, Malaysia, India |