Across the world, มรสุม (Monso 
, Monsom 
, Monsoi ) is a rare mostly masculine, but infrequently feminine forename. The given name มรสุม is characteristic of Nigeria, where it is a very rare mostly masculine, but uncommonly feminine name, India, where it is an extremely rare epicene name, and China, where it is an extremely rare boy's name. Likewise, มรสุม is the last name as well as the forename.