Family name Supasith (Supasith 
) , around the world, is an extremely rare cognomen. The cognomen Supasith is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Supasith is the forename as well as the last name.
Saelee, Yomtako, Sumrithtara, Aeimjaroen, Tammatura, Tiensuksai, Chumchaem, Boonyayut, Jakawaltham, Nateekulcharoen, Silapasith, Limtrakool, Jittiratanakul, Srisaardrukh, Jearanaisilp, and Chuensuwannakul