Around the globe, 笠宇 (笠宇 
) is a very rare boy's first name. The given name 笠宇 is habitual in Eastern Asia, particularly China, where it is an extremely rare masculine name. Very seldom, 笠宇 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 笠宇 | China |