Last name ไกรยศ (ไกรยศ 
, Kraiyot , Kraiyos 
) , throughout the world, is a very rare surname. The cognomen ไกรยศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ไกรยศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kraiyot, ไกรยศ | Thailand |
| Kraiyos | Thailand, United States |