Worldwide, Taisan (Taisan 
, タイサン) is a rare dominantly boy's, but infrequently feminine forename. The first name Taisan is characteristic of Japan, where it is a rare male name, Philippines, where it is a very rare dominantly masculine, but infrequently girly name, and India, where it is a very rare epicene name. Much less frequently, Taisan is the last name as well as the forename.