| Acronym | Definition |
|---|
| IPES➣Improved Pes |
| IPES➣Improved Proposed Encryption Standard (cryptography) |
| IPES➣Inverse Photoemission Spectroscopy |
| IPES➣International Police Executive Symposium |
| IPES➣International Payments for Ecosystem Services (UN Environment Program) |
| IPES➣Information Processing Equipment and Software |
| IPES➣Instituto Peruano de Economía Social (Spanish: Peruvian Institute of Social Economy) |
| IPES➣Imus Pilot Elementary School |
| IPES➣Integrated Platform Electronics and Sensors |
| IPES➣International Personnel Exchange System |
| IPES➣Internet Protocol Edge Services |
| IPES➣Institut de Préparation aux Enseignements du Second Degré (French: Secondary Education Preparation Institute) |
| IPES➣International Production Enterprise System |