Surname Tiaya (Tiaya 
) , in the world, is a rare last name. The surname Tiaya is characteristic of Cameroon, where it is quite a rare surname, Philippines, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Cameroon, Philippines, and India. Much less frequently, Tiaya is the forename as well as the last name.