| Abbreviation | Definition |
|---|---|
| APE | Artists Project Earth |
| APE | Astropy Proposal for Enhancement |
| APE | Atari Peripheral Emulator |
| APE | Atomic Pseudopotential Engine |
| APE | Atomic Pseudopotentials Engine |
| APE | Author Publisher and Entrepreneur |
| APE | Author Publisher Entrepreneur |
| APE | Available Potential Enterprises |
| APEA | Accountable Professional Expense Allowance |
| APEA | Advanced Placement Early Admission |
| APEA | Advanced Policy and Economic Analysis |
| APEA | Advanced Practice Education Associates |
| APEA | Asia Pacific Entrepreneurship Awards |
| APEA | Association for Petroleum and Explosives Administration |
| APEC | A Perfect Excuse To Chat |
| APEC | A Prophet Ezekiel Complaining |
| APEC | Always Pepperspray Every Complainer |
| APEC | Analyze Plan Execute Control |
| APEC | Asia Pacific Economy Cooperation |
| APEC | Ateasia Pacific Economic Cooperation |