Family name 圣洋 (Shengyang 
, 圣洋 ) , in all the world, is a rare surname. The family name 圣洋 is characteristic of Singapore, where it is a very rare surname, China, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in China, Singapore, and the United States. Predominantly, 圣洋 is the forename as well as the last name.