AV
- av – (s) Avar language (ISO 639-1 code)
- aV – (s) Attovolt
- Av – (i) Aperture value (photographic mode)
- AV
- (s) Anguilla (FIPS 10-4 territory code)
- (i) Audio-Visual
- (s) Aviation
- ava – (s) Avar language (ISO 639-2 code)
- AVA – (i) American Viticultural Area
- AVB – (i) Audio Video Bridging
- AVCATT-A – (p) (U.S. Army's) Aviation Combed Arms Tactical Trainer-Aviation
- AVDLR – (p) Aviation Depot Level Repair
- ave – (s) Avestan language (ISO 639-2 code)
- AVGP – (i) Armoured Vehicle, General Purpose
- AVI – (i) Audio Video Interleave
- AVIM – (p) Aviation Intermediate Maintenance
- AVLB – (i) Armoured Vehicle Launched Body
- AVM
- (i) Air Vice-Marshal
- (p) Arteriovenous malformation
- AVO – (i) Apprehended Violence Order
- AVP – (a) Arubaanse Volkspartij
- AVP – (i) Association of Volleyball Professionals
- AVRE – (i) Armoured Vehicle Royal Engineers
- AVTB
- (i) Armoured Vehicle Test Bed
- (p) Aviation Test Bed
- AVUM – (p) Aviation Unit Maintenance
Read more about this topic: List Of Acronyms And Initialisms: A