- OVCO (Overvoltage Cutout)
- OVCS (Operational Voice Communication System)
- OVD (Asturias Airport (Oviedo Airport))
- OVE (Oroville Municipal Airport)
- OVER (Oversize Cargo)
- OVERT (Ontario Volunteer Emergency Response Team)
- OVF (OverFlow)
- OVFL (Ohio Valley Football League)
- OVG (Official Visitors' Guide)
- OVGA (Ottawa Valley Golf Association)
- OVH (Ohio Veterans Home)
- OVHA (Oley Valley Heritage Association)
- OVI (Organic Volatile Impurities)
- OVID (Offshore Vessel Inspection Database)
- OVIEM ('OVIEM', Antiquated OE expression for, Movie, cinema, flix, flicks, video, DVD, picture-show, cel-show, cel-trac. pitcher-show, 'star-trak', ducu-drama, docu-men-terry, dock-ure-wallet, 'doze-domain', 'holdurehand hangout', 'trivial-trailer-trash', 'succumbing detractionz',
'midnite whoreor phillumz', 'Dubbel FEE-CHUREZ', 'Depresshun bank-nites', 'pop-korn pistol-pakkerz', 'shoot-em-up showz', 'kow-boy kartoonz', 'MOVIETUNE NUZE', 'FOLLO-DE-DOTZ-ZINGALONG',
'MUTHERZ-NITEOUT', 'BABBYSITTERBASH', 'LATE-SHOW', 'MIDNITE-MADNESS', 'TRIPLE EX', 'KIDZ-INFREE MATINEE',)
- OVK (Organized Village of Kake)
- OVL (Olivia Regional Airport)
- OVM (Organic Vapor Monitor)
- OVM/J (Open-source Java Virtual Machine)
- OVN (Oracle Venture Network)
- OVO (Orange Avenue, Orlando)
- OVP (Optical Video Probe)