Surname Suwannathep (Suwannathep 
) , across the world, is a very rare cognomen. The cognomen Suwannathep is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Sakaw, Trakul, Tragul, Oranuch, Paweena, Pisaral, Nonglak, Sasitorn, Sippanon, Supannee, Tanyalak, Thananan, Suttharadol, Phattarasuda, and Phitchaporn