Family name Шайа (Shia 
, Шайа 
) , all around the world, is quite a common cognomen. The surname Шайа is habitual in Malaysia, where it is quite a common surname, Hong Kong, where it is quite a rare surname, and Singapore. Not in comparison with a country's population, this name is the most popular in Malaysia, Indonesia, and the United States. Very seldom, Шайа is the forename as well as the last name.