| Acronym | Definition |
|---|
| OTN➣Oracle Technology Network |
| OTN➣Optical Transport Network (Cienna) |
| OTN➣On-the-Nose |
| OTN➣On The Net |
| OTN➣Optical Transport Network |
| OTN➣over the Network |
| OTN➣Optical Transport Node |
| OTN➣Ontario Telemedicine Network (Canada) |
| OTN➣Open Transport Network (Apple) |
| OTN➣Oncology Therapeutics Network |
| OTN➣On the Needles (used by knitters to describe current projects) |
| OTN➣Optical Network Terminal |
| OTN➣On That Note |
| OTN➣Online Television Network |
| OTN➣Own-The-Night (military technology) |
| OTN➣Our Teen Network (website) |
| OTN➣Observer Team to Nigeria (Canadian military) |
| OTN➣Oklahoma Telemedicine Network |
| OTN➣Oaktown, Indiana (Airport Code) |
| OTN➣Oregon Transportation Network |
| OTN➣Operating Theater Nurse |
| OTN➣Optical Terminal Node |
| OTN➣Operational Teletype Network |
| OTN➣Otdeleniye Technicheskikh Nauk (Russian: Section for Technical Scientific Works) |
| OTN➣Order Tracking Number |