Family name Ploynapa (Ploynapa 
) , across the world, is an extremely rare cognomen. Predominantly, Ploynapa is the forename as well as the last name.
Maliwan, Meechok, Lounkeaw, Julagasigorn, Phupipathirunkul, Kamhanpon, Khamwittayachotipan, Khamprakun, Phatpongpakorn, Jaturasuwan, Watcharasin, and Watcharasinthu