| Acronym | Definition |
|---|
| GPAC | Great Plains Athletic Conference |
| GPAC | Gatekeeper Policy Advisory Committee |
| GPAC | General Plan Advisory Committee |
| GPAC | Gender Public Advocacy Coalition |
| GPAC | Green Party of Alameda County (California) |
| GPAC | Give Peace A Chance (Coalition; Washington, DC) |
| GPAC | Germantown Performing Arts Center (Germantown, TN) |
| GPAC | Greater Pittsburgh Arts Council (Pittsburgh, Pennsylvania) |
| GPAC | General Purpose Analog Computer |
| GPAC | Global Programme of Action Coalition |
| GPAC | Gauteng Plan of Action for Children (South Africa) |
| GPAC | Graduate Policy Administration Community (University of Southern California) |
| GPAC | Guilderland Performing Arts Center (New York) |
| GPAC | General Plant Advisory Committee |