Cognomen Sittipan (สิทธิพันธ์ 
, สิทธิพันธุ์ , Sittipan 
) , around the globe, is quite a rare family name. The last name Sittipan is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, Sittipan is the forename as well as the last name.