Last name Mahsi (Mahsi 
) , across the world, is a rare cognomen. The surname Mahsi is characteristic of Pakistan, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Pakistan, India, and Nigeria. Much less frequently, Mahsi is the forename as well as the last name.