Across the world, ทูม (Thum 
, ทูม 
, Tuhm) is a rare epicene forename. The forename ทูม is characteristic of Malaysia, where it is a rare unisex name, Vietnam, where it is a very rare masculine name, and India, where it is a very rare epicene name. Measured by absolute frequency, this name is the most popular in India, China, and Malaysia. More prevalently, ทูม is the last name as well as the forename.