- VANA(Vector Automatic Network Analyzer)
- VANOC(Vancouver Organizing Committee for the 2010 Olympic and Paralympic Winter Games)
- VANOS(Variable Nockenwelle System)
- VAO(Vienna Art Orchestra)
- VA OD(Right visual acuity)
- VAOD(United Ancient Order of Druids)
- VA OS(Left visual acuity)
- VAP(Volume Accumulation Percent)
- VAPE(Vehiculo Apoyo y Exploracion)
- VAPF(Volunteer Assignment Preference Form)
- VAPP(Visual and Auditory Presentation Package)
- VAPS(Vaccine Associated Polio Society)
- VAQ(Fixed Wing Electronic-Attack Squadron)
- VAQ-128(Naval Tactical Electronic Warfare Squadron 128, Phoenix)
- VAQ-129(Naval Tactical Electronic Warfare Squadron 129, The New Vikings)
- VAQ-130(Naval Tactical Electronic Warfare Squadron 130, The Zappers)
- VAQ-131(Naval Tactical Electronic Warfare Squadron 131, The Lancers)
- VAQ-134(Naval Tactical Electronic Warfare Squadron 134, The Garudas)
- VAQ-135(Naval Tactical Electronic Warfare Squadron 135, Black Ravens)
- VAQ-136(Naval Tactical Electronic Warfare Squadron 136, The Gauntlets)
- VAQ-137(Naval Tactical Electronic Warfare Squadron 137, The Rooks)
- VAQ-138(Naval Tactical Electronic Warfare Squadron 138, Yellow Jackets)
- VAQ-139(Naval Tactical Electronic Warfare Squadron 139, The Cougars)
- VAQ-140(Naval Tactical Electronic Warfare Squadron 140, The Patriots)
- VAQ-141(Naval Tactical Electronic Warfare Squadron 141, The Shadowhawks)
- VAQ-142(Naval Tactical Electronic Warfare Squadron 142, The Gray Wolves)
- VAQ-209(Naval Tactical Electronic Warfare Squadron 209, Star Warriors)
- VAQ-33(Naval Tactical Electronic Warfare Squadron 33, The Firebirds)
- VAQ-34(Naval Tactical Electronic Warfare Squadron 34, The Flashbacks)
- VAR(Varna Airport)
- VARA(Vintage Auto racing association)
- VARK(Visual, Aural, Read/Write, and Kinesthetic)
- VARRV(Vickers Armoured Repair and Recovery Vehicle)
- VARS(Victim Assistance And Relief Services)
- VARV(Vickers Armoured Recovery Vehicle)
- VARVAL(Vessel ARrival Data, List of Vessels AVaiLable to Marine Safety Offices and Captains of The Port)
- VAS(Sivas Airport)
