Surname Poonyaphat (Poonyaphat 
) , in all the world, is an extremely rare cognomen. Much more frequently, Poonyaphat is the forename as well as the last name.
Para, Srisuksawat, Phiboonchotpreeda, Piyasirinan, Khongchuay, Roungsearee, Phiboonchotpre, Kaewthong, Sumphaongen, Siriteerathitikul, Muangchan, Insathon, Phaikaew, Kingkaew, Kamjatpai, Chayarun, Sridurongrit, Suphapol, Mahakeaw, Thaonil, Jakkujan, Phiwatkorn, Promdao, Kicharkom, Banthao, Choobua, Srabutdee, Supapol, Jaiodthon, Jaijit, Thienchartanan, and Soonthornpanich