Last name Unos (Unos 
) , all around the world, is quite a rare family name. The surname Unos is habitual in Philippines, where it is quite a rare surname, Oman, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, this name is the most popular in Philippines, Bangladesh, and Saudi Arabia. Much less frequently, Unos is the forename as well as the last name.