Surname Sunico (Sunico 
) , in the world, is quite a rare last name. The last name Sunico is characteristic of Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Singapore. Not in comparison with a country's population, it is commonest in Philippines, the United States, and Saudi Arabia. Very seldom, Sunico is the forename as well as the last name.