Cognomen กฤตรินทร์ (Kritthrin 
, กฤตรินทร์ ) , throughout the world, is an extremely rare family name. The last name กฤตรินทร์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, กฤตรินทร์ is the forename as well as the last name.