Family name Sunyan (孙燕 
, Sunyan 
) , across the world, is a rare last name. The surname Sunyan is characteristic of Malaysia, where it is a very rare surname, China, where it is an extremely rare surname, and the United States. Measured by absolute frequency, it is commonest in China, Malaysia, and India. More prevalently, Sunyan is the forename as well as the last name.