Family name โอภาสวงศ์ (โอภาสวงศ์ 
, Opaswong ) , all around the world, is a rare cognomen. The surname โอภาสวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, โอภาสวงศ์ is the forename as well as the last name.