Family name Piyakesin (Piyakesin 
) , all around the world, is an extremely rare cognomen. The cognomen Piyakesin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Piyakesin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piyakesin | Thailand |
| morakot piyakesin filmmaker and director of "Back Home" |
|