Surname Punnaphat (ปุณณพัฒน์ 
, Punnaphat ) , in all the world, is a very rare cognomen. The surname Punnaphat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Predominantly, Punnaphat is the forename as well as the last name.
Pinno, Sawatmethachot, Pichetsophon, Haruhanprakarn, Haruhunprakarn, Hiranthitiwat, Machairitsakul, Sritrakulchang, Anantalaphat, Promprasong, Thanatsawasdee, Tharasetthachok, Nganwiwatthaworn, Wattanateepakul, Wutthimetheekul, Suwannachote, Chaiwannasart, Rojanasiriswat, Vongwattanakit, Bhumisirithiam, Bhumisirithian, Rojanasirisawad, Wittayaathikul, Thitidisthanan, Jaroenwit, Piyawathasin, Takam, Vitta, Srimai, Plotmusik, Saewong, Songcho, Somwong, Chamrat, Jantava, Thampon, Thanaphanitsakun, Ngaokoh, Yunchan, Saiyotha, Suphanat, Nongkarn, Maksongkhla, Sirisayan, Angwaraphat, Chetphaophan, Kodchasing, Piriyapoonsin, Ousangtong, and Phattharasirichot