Cognomen กัญญกาญจน์ (Kanyakan 
, กัญญกาญจน์ ) , around the globe, is a very rare last name. The last name กัญญกาญจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, กัญญกาญจน์ is the forename as well as the last name.