| Acronym | Definition |
|---|
| OESP➣Ontario Electricity Support Program (Ontario, Canada) |
| OESP➣Office of Employment Support Programs (US SSA) |
| OESP➣Office of Evaluation and Strategic Planning (UN) |
| OESP➣Open e-Security Platform (e-Security, Inc.) |
| OESP➣Organización Ecologista de la Sierra de Petatlán (Spanish: Environmentalist Organization of the Sierra de Petatlan; Sierra de Petatlan, Mexico) |
| OESP➣Office of Engineering Student Programs (Case Western University; Cleveland, OH) |
| OESP➣Opto-Electronic Stacked Processor (project) |