Surname Manui (Manui 
, มานุ้ย) , across the world, is a rare cognomen. The cognomen Manui is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, Indonesia, and Malaysia. Not in comparison with a country's population, it is the most numerous in Indonesia, Thailand, and France. More frequently, Manui is the forename as well as the last name.