Cognomen Amonthep (Amonthep 
) , globally, is an extremely rare surname. The cognomen Amonthep is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Amonthep is the forename as well as the last name.
Kanta, Puttijam, Rungkhot, Tapthimmueang, Thammada, Norasing, Worajaroen, Samudinkaew, Seangkeoluangkot, Amnuayngerntra, Cholatarnkriangkrai, Chumwisood, Kunlawanna, Piyachonkul, Phetchrat, Thongsing, Saengmanee, Suksawasnaayhtthaya, Khongsanan, Thiangthung, Inseesungwon, Ongkamongkol, Purimasak, Boonjing, Chaiphan, Changjai, Suripa, Sukjit, Phinyo, Lhordthong, Tintip, Tunworasophol, Hinnoi, Hinnoy, Unchit, Maliwan, Suksawasnaayutthaya, Somchan, Purimsuk, Launjaiboontham, Tiyasan, Namwong, Homjitsukruetai, Muangsri, Silangen, Suebthai, Sooknaovarat, Chanthes, Panwong, and Rattanapatima