Family name Natthaphak (ณัฐปคัลภ์ 
, ณัฐภัค , Natthaphak 
) , in the entire world, is a very rare last name. The surname Natthaphak is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Predominantly, Natthaphak is the forename as well as the last name.
Damri, Aphiratthanasophon, Pattanawong, Chutimaporn, Atsawachutiphon, Phanurojjanajinda, Panasiriarphaphak, Chaweerach, Meengeonthong, Jittisak, Detnaphatsap, Kingkaew, Sriwaurai, Sianghow, Sawatninkong, Sangmake, Timsean, Poongoen, Klamsen, Songmee, Salitul, Kiatfilipin, Saisuk, Thong, Khanthaphap, and Thitithanatworrakul