Last name Pornjira (Pornjira 
) , around the world, is an extremely rare family name. The cognomen Pornjira is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Pornjira is the forename as well as the last name.
Jansai, Chanrojanakit, Kerdsorod, Pariwatcharakul, Pongsuwan, Pongsuchat, Pongmanavuth, Theanthunyakun, Wanitpisitpun, Channarong, Chiawkanjanakit, Chobthamasakul, Kaewpungsup, Kongwirote, Jaisangobsuk, Apirakchaisakul, Kittithanesuan, Phaiboonkullakorn, Tipyalers, Thienthunyakul, Taksasupakarn, Lertvalaikul, Tongon, Tintan, Nonuch, Hemjan, Kaeoyuan, Kulkana, Panyafu, Punyaisawa, Plodpai, Ittiplanon, Waiwong, Utendakorn, Siwakorn, Suksanit, Sukwaree, Bualuang, Pitipunya, Jantasorn, and Thienthunyakun