| Acronym | Definition |
|---|
| OESA➣Original Equipment Suppliers Association (est. 1998; Troy, MI) |
| OESA➣Ordo Eremitarum Sancti Augustini (Latin; Order of St. Augustine) |
| OESA➣Oxford Emergency Safety Authority (Oakland County, Michigan) |
| OESA➣Ohio Elite Soccer Academy (est. 2002; West Chester, OH) |
| OESA➣Oklahoma Educational Studies Association (University of Oklahoma; Norman, OK) |
| OESA➣Oregon Electric Sign Association |