Family name Pornpoj (Pornpoj 
) , around the globe, is an extremely rare cognomen. The family name Pornpoj is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Pornpoj is the forename as well as the last name.
Sinpo, Vijaksirikul, Ittivameethum, Sanguanmit, Sumrankij, Chindapeng, Chenkulprasutr, Butcharoen, Kanitlekkan, Pruksanant, Laohasukkasem, Joongjitdumrong, Thanimmarn, Thepthong, Teerasawat, Viroontanawong, Srisukchayakul, Chayawanich, Preechanuwat, Sooksomboon, Prasittimee, Promprasert, Visedrat, Nantajeeworawat, Jandeewong, Likhitniamkul, Yosom, Saeouy, Arbsuwan, Limjaam, Yorsom, Somkane, Srimujcha, Swadwan, Chiabchalard, Choosri, Patcharapongsak, Lothong, Techodamrong, Teekayu, Mavongwon, Mokkasak, Singkorn, Srirojjanarat, Smerasuta, Charusrungruaeng, Chomngam, Prapaanantachai, Thumrat, and Rattanasaengsuang