| 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) |