Globally, Gilsi (Gilsi 
) is a rare girly given name. The forename Gilsi is characteristic of the Democratic Republic of the Congo, where it is a rare feminine name, Brazil, where it is an extremely rare unisex name, and India, where it is an extremely rare mostly female, but uncommonly masculine name. Much less frequently, Gilsi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gilsi | Brazil, Honduras, Venezuela, Democratic Republic of the Congo, India |