Surname Chaiyap (ชัยภูมิ 
, Chaiyap 
) , all over the world, is quite a rare cognomen. The cognomen Chaiyap is habitual in Thailand, where it is quite a rare surname, and India, where it is an extremely rare surname. Also, Chaiyap is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชัยภูมิ | Thailand |
| Chaiyap | India |