Cognomen Yongha (용하 
, Yongha 
) , in the entire world, is a very rare surname. The surname Yongha is characteristic of Malaysia, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Canada. Measured by absolute frequency, it is the most numerous in China, Malaysia, and Thailand. Predominantly, Yongha is the forename as well as the last name.