In all the world, 冬涵 (冬涵 
) is a very rare epicene forename. The first name 冬涵 is habitual in Eastern Asia, particularly China, where it is an extremely rare epicene name. Very seldom, 冬涵 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 冬涵 | China |