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