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