Family name Poj (Pou 
, พจน์ , Poj 
) , around the globe, is a common last name. The cognomen Poj is characteristic of Macao, where it is quite a common surname, Aland Islands, and Puerto Rico, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Spain, the United States, and Indonesia. Also, Poj is the forename as well as the last name.
Po, Fuangfoo, Chompreeda, Boonmapak, Kaewthong, Pataradilok, Panityanubarn, Roungsrisaran, Limsintaropas, Taweepolcharoen, Hongsanan, Chokchaiacha, Boonduangprasert, Khrongsiriwat, Praweenworakul, Prompitakkul, Pinyopornpanish, Phetchamli, Vongpatanasin, Sukprasertchai, Aramwattananont, Udomlapsakul, Theveenugul, Paiboonkasemsutthi, Tangamchit, Phanachet, Guk, Hoj, Yupa, Forty, Sansri, Kamhlek, Lysouvakon, Iambua, Mahawan, Sempaen, Aunhanan, Borisut, Leekhaphan, Limthao, Thaolar, Trepralum, Yaoduang, Sirihanyakorn, Angwatanapanich, Apaipong, Pitakjamnong, Jianmongkol, and Phuthongsittigul