Cognomen Kwanapa (Kwanapa 
) , across the world, is an extremely rare family name. Predominantly, Kwanapa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwanapa | Thailand |
Phivnil, Piweklam, Tathan, Poomsinmahat, Chutrutrungsi, Suwannarat, and Chaichompu