Cognomen Riyala (Riyala 
) , in the entire world, is a very rare family name. The cognomen Riyala is characteristic of Iraq, where it is a rare surname, Malaysia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. In absolute terms, the name is most common in Iraq, Malaysia, and India. Predominantly, Riyala is the forename as well as the last name.