Surname 冬涵 (冬涵 
) , in all the world, is a very rare cognomen. The family name 冬涵 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 冬涵 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 冬涵 | China |