Cognomen Poonyapat (Poonyapat 
) , in the world, is a very rare family name. The family name Poonyapat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Poonyapat is the forename as well as the last name.
Indy, Gaysornbua, Lattidech, Limsawat, Lotiwikun, Nimthasanasiri, Nualmusik, Methaphon, Sukawutthiya, Bunluesin, Kumjornjerd, Panyawitchayanon, Lorattanaprasert, Wongsaard, Subsongsaeng, Kriangsantikul, Jutiamornlert, Teerachotruengwut, Rattanaleeraha, Wongprasert, Mongkhonkheha, Prayoonpruethamorn, Punyadee, Pholadet, Pothinam, Kiatsakkhajorn, Janya, Indee, Powtrakoon, Okowat, Manakit, Sopaaumpornchat, Chankra, Chaiocha, Kongkam, Kohkatai, Prayoonpruthamorn, Khamkan, Panrong, Nantsupawat, Usupharat, Sinjarern, Sirirujeekul, Suvitvorakul, Chimploy, Kaewdandin, Korkatai, Kusonsrang, Khonwai, and Boonyarattanasoonto