Last name Viraya (วิรยา 
, วิระยา , Viraya 
) , in the world, is a rare cognomen. The surname Viraya is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Philippines, where it is a very rare surname, and Cambodia. Not in comparison with a country's population, it is the most numerous in India, Philippines, and Malaysia. More prevalently, Viraya is the forename as well as the last name.