Last name Ying-Wen (Ying-Wen 
) , all around the world, is a very rare surname. The surname Ying-Wen is characteristic of China, where it is an extremely rare surname, and the United States. Very seldom, Ying-Wen is the forename as well as the last name. Parts of the name also exists independently as a first name Ying, and a last name Wen.