All over the world, Gelacio (Gelacio 
) is a common boy's forename. The first name Gelacio is habitual in Mexico, where it is quite a rare masculine name, Peru, and Philippines. Also, Gelacio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gelacio | Mexico, Philippines, United States, Peru, Argentina |
| gelacio guillermo Filipino Poet and Critic, PH (b. 1940) |
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| gelacio montiel Mexican politician, MX (b. 1961) |
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