| Acronym | Definition |
|---|
| AVO | Alaska Volcano Observatory |
| AVO | Audio Video Objects |
| AVO | Advanced Video Option |
| AVO | Apprehended Violence Order (criminal justice) |
| AVO | Amplitude Variation with Offset (similar to AVA) |
| AVO | Astrophysical Virtual Observatory |
| AVO | Amplitude-Versus-Offset (stratigraphic modelling and interpretation methodology) |
| AVO | Australian Valuation Office |
| AVO | Announcer Voice Over |
| AVO | Air Vehicle Operator |
| AVO | Audio-Visual Object (data format) |
| AVO | Auditory, Visual, and Olfactory (US EPA) |
| AVO | Allam Vedelmi Osztag (Hungarian security squad) |
| AVO | Avoid Verbal Orders |
| AVO | Avalanche Owners (Chevrolet Avalanche enthusiasts club) |
| AVO | Ada Validation Organization |
| AVO | Automatic Vehicle Operation |
| AVO | American Vehicle Owners |
| AVO | Asociace Vyzkumnych Organizaci (Czech: Association of Research Organizations) |
| AVO | ADA Validation Office |
| AVO | Available Vehicle Occupancy |
| AVO | Average Virtual Orbital |
| AVO | Amps - Volts - Ohms meter (electrical test instrument) |
| AVO | Advance Video Option (DEC VT100) |
| AVO | Atlantique Voile Orléanaise (French: Atlantic Sailing Orleans; Orléans, France) |
| AVO | Audio Visual Observation |
| AVO | Adversary and Vulnerability Operations (USJFCOM) |
| AVO | Apple Vs Orange (website) |