AVO
- Agent–verb–object
- Alaska Volcano Observatory
- Amor Vincit Omnia (Pure Reason Revolution album)
- Amplitude versus offset
- Apprehended Violence Order
- Astrophysical Virtual Observatory
- Avo (name)
- Avo Photonics
- Avo Uvezian
- Avometer
- Avon Park Executive Airport
- Avos (disambiguation)
- Fable (2004 video game)
- Macanese pataca
- Monte Melkonian
- Portuguese Timorese pataca
- ÁVO