Worldwide, Poonphan (พูนพันธุ์ 
, พูลพรรณ , Poonphan ) is a very rare dominantly boy's, but seldom feminine forename. The given name Poonphan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly boy's, but uncommonly feminine name. Likewise, Poonphan is the last name as well as the forename.