Surname Krittayatham (Krittayatham 
) , worldwide, is a very rare cognomen. The family name Krittayatham is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Krittayatham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krittayatham | Thailand |