Cognomen Phongphan (พงษ์พันธ์ 
, Phongphan 
, พงศ์พันธ์ ) , all over the world, is quite a rare last name. The last name Phongphan is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. More prevalently, Phongphan is the forename as well as the last name.
Kesa, Thepphawong, Vijitphan, Wangpanya, Wannakham, Makanantachot, Sangwanngoen, Charoenkul, Boonbundal, Kareemnavabjan, Kaewkajornsirikul, Danphitsanuphan, Teerakarunkarn, Hiranyaket, Hwangmanidakul, Wanaphitthayachaiwon, Maneecharean, Srichanthranin, Chaibunrueang, Khongtharangsee, Hansawattanapong, Soonthornvipit, Loettrakool, Ritthikun, Khoojaroenthaworn, Khoonpitak, Sotai, Chali, Ekarwut, Singnoy, Batriya, Khamhom, Khamwan, Phetnil, Rotweluriyawong, Janocha, Soonthornvipat, Hlakyai, Chewsuwan, Promsila, Promdewet, Pornthip, Phaophet, Luansomwang, Jutipaksothon, Thepsopha, Wichadet, Chimthongmuang, Manivong, and Wongwatcharadamrong