Cognomen สุหิรัญ (Suhiran 
, สุหิรัญ , Sumhirun ) , throughout the world, is a very rare last name. The cognomen สุหิรัญ is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. Also, สุหิรัญ is the forename as well as the last name.