Around the globe, 斯媛 (Siyuan 
, 斯媛 ) is quite a rare epicene forename. The first name 斯媛 is characteristic of Taiwan, where it is quite a rare unisex name, Singapore, where it is a rare epicene name, and Australia. Measured by absolute frequency, this name is the most popular in China, Taiwan, and the United States. Very seldom, 斯媛 is the last name as well as the forename.