Cognomen หอมหวน (หอมหวน 
, Homhuan 
) , all around the world, is quite a rare last name. The cognomen หอมหวน is characteristic of Thailand, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. In absolute terms, it is commonest in Thailand, China, and the United States. Very seldom, หอมหวน is the forename as well as the last name.