Cognomen วิรุฬห์พันธุ์ (วิรุฬห์พันธุ์ 
, Viroonpan ) , in the entire world, is a very rare surname. The family name วิรุฬห์พันธุ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, วิรุฬห์พันธุ์ is the forename as well as the last name.