Family name Naphak (นภัค 
, Naphak 
) , in the entire world, is a very rare cognomen. The cognomen Naphak is habitual in Thailand, where it is an extremely rare surname, and India. Predominantly, Naphak is the forename as well as the last name.
Sekha, Sriwichai, Sriboonma, Bunyaanukun, Pharunyuworakul, Phiphatweerawat, Ritwattanadech, Thiengtrong, Wichaisri, Wungsathean, Siriphakdamrong, Chiranaranont, Bumrungsak, Jaengjaikul, Jitsantikul, Nuchaikaeo, Witchayanon, Witchakornpetch, Supattanakul, Praphruetchob, Rattanapong, Vanichvoranan, Sriphueak, Sangsamuthr, Maneepong, Ittikarn, Saiyad, Kunhemmarat, Denyuk, Mekkhajorn, Sinlapee, Suyaraj, Anujorn, Boonman, Pettwong, Dornkan, Wongthavorn, Thepyot, Inthomya, Yatiwat, Malaisoi, Sripanya, Srihiran, Chasiripatcha, Chokpinpong, Kornpannarong, Kulsawat, Noisaeng, Termvivat, and Chantarasombat