Family name คติธรรมนิตย์ (คติธรรมนิตย์ 
) , in all the world, is a very rare surname. The surname คติธรรมนิตย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| คติธรรมนิตย์ | Thailand |