Surname Kritsanayuth (Kritsanayuth 
) , in the world, is a very rare family name. The cognomen Kritsanayuth is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kritsanayuth | Thailand |
Ladda, Eakkapan, and Pattamaphorn