In all the world, 徐欣 (徐欣 
) is a rare gender-neutral given name. The given name 徐欣 is habitual in Eastern Asia, particularly China, where it is a very rare gender-neutral name. Very seldom, 徐欣 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 徐欣 | China |