Surname Petnapa (Petnapa 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Petnapa is the forename as well as the last name.
Yowngbubpha, Sunawat, Sopajon, Kaikaew, Saiduang, Stirattiphan, Peterson, Thavornun, Srirattiphan, Petcharat, and Jarearnying