Cognomen ทิยากร (ทิยากร 
) , all over the world, is an extremely rare last name. The surname ทิยากร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ทิยากร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทิยากร | Thailand |