| Acronym | Definition |
|---|
| GCAF➣Georgia's Clean Air Force (vehicles) |
| GCAF➣General Capital Asset Fund |
| GCAF➣German Club Alumni Foundation (Blacksburg, VA) |
| GCAF➣Gulf Coast American Fabrication (Naples, FL) |
| GCAF➣Garden City Anime Festival (Ontario, Canada) |
| GCAF➣Groupe Celtique Assurances Finances (French: Celtic Insurance Finance Group) |
| GCAF➣Gross Cost to Avert a Fatality (International Maritime Organization Formal Safety Assessment) |