Throughout the world, 欣欣 (欣欣 
, Xinxin 
) is a common epicene forename. The given name 欣欣 is habitual in China, where it is quite a rare epicene name, Hong Kong, where it is a rare feminine name, and Singapore, where it is a rare epicene name. Not in comparison with a country's population, the name is most common in China, Taiwan, and the United States. Much less frequently, 欣欣 is the last name as well as the forename.