Last name ครุธามาศ (ครุธามาศ 
) , in the world, is a very rare cognomen. The cognomen ครุธามาศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ครุธามาศ | Thailand |
| จุฑาทิพย์ ครุธามาศ Thai actor, TH (b. 1979) |
|