Family name ญาณพันธุ์ (ญาณพันธุ์ 
) , all around the world, is a very rare cognomen. The surname ญาณพันธุ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ญาณพันธุ์ is the forename as well as the last name.