Surname Sanhan (Sanhan 
, สัณหณัฐ , Санхан 
) , across the world, is a rare cognomen. The cognomen Sanhan is characteristic of Western Asia, particularly Saudi Arabia, where it is a rare surname, Iraq, where it is a very rare surname, and Yemen. In absolute terms, it is the most numerous in Saudi Arabia, Thailand, and Iraq. More frequently, Sanhan is the forename as well as the last name.