Family name Sanyaphan (Sanyaphan 
) , in the entire world, is a very rare cognomen. The cognomen Sanyaphan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Sanyaphan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanyaphan | Thailand |
Ketkaew, Pornrat, Jarinee, Nongyao, Waiyanon, Nathashart, and Vachiraphan