Last name ธยา (Thaya 
, Dhya 
, ธยา ) , worldwide, is quite a rare surname. The cognomen ธยา is habitual in Qatar, where it is quite a rare surname, Sri Lanka, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Indonesia, Sri Lanka, and India. More frequently, ธยา is the forename as well as the last name.
ภิรมย์, ธนัญชัย, พวงพงษ์, and สุนทรวิภาต