| Acronym | Definition |
|---|
| OECN➣Ohio Education Computer Network |
| OECN➣Oregon Episcopal Church News |
| OECN➣Office Économique Cantonal Neuchâtelois (Switzerland) |
| OECN➣Ost-Europa Centrums Niedersachsen |
| OECN➣Oregon Earth Club Network |
| OECN➣Office of Enforcement and Compliance Monitoring (US EPA) |