Worldwide, 沛欣 (Peixin 
, 沛欣 ) is a rare epicene forename. The first name 沛欣 is habitual in Singapore, where it is a rare female name, China, where it is a very rare epicene name, and the United States, where it is an extremely rare unisex name. Much less frequently, 沛欣 is the last name as well as the forename.