English abbreviations from otan to otf
- OTAN (Organisation du Traité de l'Atlantique Nord)
- OTAP (Ohio Transition Assistance Program)
- OTAR (Over-The-Air Re-keying)
- OTB (Off The Ball|| Offtrack Betting|| OneSAF Testbed (a descendant of ModSAF))
- OTC (Over-the-counter)
- OTCIXS (Officer in Tactical Command Information Exchange System)
- OTD (Off the derech (referring to an Orthodox Jew who has stopped practicing the tenets of his or her faith))
- OTDC (Overseas Trade Development Council)
- OTDF (Outage Transfer Distribution Factor)
- OTDR (Optical Time Domain Reflectometry)
- OTE (Open Transaction Environment)
- OT&E (Operational Test and Evaluation)
- OTEA (Operational Test and Evaluation Agency (US))
- OTEC (ocean thermal energy conversion (electricity))
- OTES (Orian Technology Engine Software)
- OTF (Of The Film)
