Family name Sanfun (Sanfun 
) , around the globe, is a very rare surname. The cognomen Sanfun is habitual in Japan, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Brazil. Much less frequently, Sanfun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanfun | India, Brazil, Japan, Thailand |