GUCA
| Acronym | Definition |
|---|---|
| GUCA | Georgia Utility Contractors Association (Forest Park, GA) |
| GUCA | Guanylate Cyclase Activator (protein group) |
| GUCA | Ground Umbilical Carrier Assembly (space shuttle) |
| GUCA | Gutierrezia californica (San Joaquin snakeweed) |
| GUCA | Gurmukhi Unicode Conversion Application |
| GUCA | Global University for Central America |
| GUCA | Guadalupe Caracara |
| GUCA | Genitourinary Cancer(s) |