OAO
The acronym OAO is:
- Odessey and Oracle, an album by British rock band The Zombies
- Orbiting Astronomical Observatory 3, a space telescope
- Открытое Акционерное Общество, Russian for an Open Joint Stock Company
- Over and out, a phrase that incorrectly for the actually valid in the radio "Over" ( handover ) or " Out" ( to quit) in circulation.
- Disambiguation
- Abbreviation