Surname រ៉ាយ៉ា (រ៉ាយ៉ា 
) , across the world, is an extremely rare cognomen. The cognomen រ៉ាយ៉ា is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Predominantly, រ៉ាយ៉ា is the forename as well as the last name.