| Acronym | Definition |
|---|
| AVI | Audio Video Interleave (multimedia container format) |
| AVI | Automatic Vehicle Identification |
| AVI | Audio Visual, Inc. (various locations) |
| AVI | Aortic Valve Insufficiency |
| AVI | Audio Video Interleaving |
| AVI | Audio Video Integration |
| AVI | Australian Volunteers International (Fitzroy, Victoria, Australia) |
| AVI | Actual Value Initiative (Philadelphia, PA) |
| AVI | Advitech Inc. (Quebec, Quebec, Canada; stock symbol) |
| AVI | Automated Vehicle Identification |
| AVI | Auditory-Verbal International |
| AVI | Association for Veterinary Informatics |
| AVI | Advanced Visual Interface |
| AVI | Art Vivant (French: Living Art) |
| AVI | Add Value International (e-business; Canada) |
| AVI | Avionics Integration |
| AVI | American Veterans Institute (Tipp City, OH) |
| AVI | Adopted Vietnamese International |
| AVI | Advanced Vehicle Identification |
| AVI | Ark Valley Interurban (trolley; Kansas) |
| AVI | Analog VHDL International (industry group) |
| AVI | Aluminium Véranda Industrie (French: Veranda Aluminium Industry; Asnières sur Oise, France) |
| AVI | Abdominal Volume Index |
| AVI | Arabian Vermiculite Industries (Saudi Arabia manufacturer of fireproofing products) |
| AVI | Audio Video Interactive, Ltd. (interactive audiovisual services) |
| AVI | Airborne Vehicle Identification |
| AVI | Army Veterinary Inspector (typically, a military food inspector) |
| AVI | Aortic Valve Area Index |
| AVI | Aviation Restructure Initiative (US Army) |
| AVI | Australian Veterinarians in Industry (Australian Veterinary Association) |
| AVI | Audio-Visual Isomorphism |
| AVI | Audio Visual Integration, Inc (Fort Wayne, IN) |