Family name ชายา (Chaya 
, ชายา 
, Shayah 
) , all over the world, is a common cognomen. The last name ชายา is characteristic of Lebanon, where it is quite a common surname, Mauritius, where it is quite a rare surname, and Syria. Not in comparison with a country's population, it is commonest in India, Bangladesh, and Lebanon. More frequently, ชายา is the forename as well as the last name.