Family name Манахан (Manahan 
, Manahan. , Манахан 
) , in the world, is a common surname. The cognomen Манахан is characteristic of Philippines, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Jamaica. Not in comparison with a country's population, it is the most numerous in Philippines, the United States, and Indonesia. Much less frequently, Манахан is the forename as well as the last name.