Worldwide, Wilsi (Wilsi 
) is a very rare gender-neutral forename. The first name Wilsi is habitual in Philippines, where it is an extremely rare gender-neutral name, and India, where it is an extremely rare girly name. Much less frequently, Wilsi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wilsi | Malaysia, Philippines, Mexico, India, Venezuela |