Cognomen Jyh (Jyh 
) , globally, is quite a rare surname. The cognomen Jyh is characteristic of Malaysia, where it is quite a rare surname, Taiwan, where it is a rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Malaysia, Taiwan, and China. Also, Jyh is the forename as well as the last name.