Cognomen Thimkam (Thimkam 
) , all around the world, is a very rare family name. The family name Thimkam is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Thimkam | Myanmar, Thailand |
Champen, Thanakorn, and Thitivorada