English abbreviations from otf to otn
- OTF (Of The Film)
- OTG (Worthington Municipal Airport)
- OTH (North Bend Municipal Airport)
- OTH-B (Over-The-Horizon Backscatter (Radar))
- OTH-T (Over The Horizon - Targeting)
- OTHT (Over-The-Horizon Targeting)
- OTI (Office of Transition Initiatives (United States Agency for International Development))
- OTIC (Operations and Tactics Instructor Course)
- OTIF (Ohio Teacher Incentive Fund)
- OTIP (Operational Testing Implementation Plan)
- OTIS (Online Teacher Information System)
- OTJAG (Office of the Judge Advocate General)
- OTJT (On the Job Training)
- OTK (Over The Knee)
- OTKSL (One Time Key Subsidy Lock)
- OTL (Operations Team Leader)
- OTM (Ottumwa Industrial Airport)
- OTMOP (Operational Test Measures Of Performance)
- OTN (Ed-Air Airport (FAA: 2IG4))