Surname คมนัย (คมนัย 
, Komnai 
) , globally, is a very rare last name. The cognomen คมนัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, คมนัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| คมนัย | Thailand |
| Komnai | United States, Thailand |