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