Last name 胜洋 (Shengyang 
, 胜洋 ) , in all the world, is a rare cognomen. The last name 胜洋 is habitual in Singapore, where it is a very rare surname, China, and Malaysia, where it is an extremely rare surname. In absolute terms, this name is the most popular in China, Singapore, and the United States. Predominantly, 胜洋 is the forename as well as the last name.