Cognomen Phatthra (ภัทรา 
, Phatthra 
) , in the entire world, is a very rare family name. The family name Phatthra is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, Phatthra is the forename as well as the last name.
Inut, Prachayanusorn, Chaisuriyadecha, Inthrachatjamorn, Ritthakorn, Phongakson, Khuansonthi, Chetsadarom, Maravichayo, Thuwanuti, Damnoensawat, Phonamphon, Praphakorn, Chompuwieng, Rakthaum, Phathomeakalak, Poonlapyot, Kitpayuck, Srilo, Temee, In Ut, Saesin, Bunloi, Uyyaphat, Watcharinporn, Sriwong, Kanchai, Upalanon, Suebwongsa, Seangkrua, Chinpokang, Chinpokung, Kanabut, and Anuphanthangkoon