Avo or AVO may refer to: Companies and organizations ÁVO, Hungarian secret police (1950–1956) Avo Photonics, optical electronics firm AVO Cigars, tobacco company founded by Avo Uvezian People Avo (name), masculine given name found in Estonia Science Alaska Volcano Observatory, a hazard monitoring program Amplitude versus offset, a concept used in reflection seismology Astrophysical Virtual Observatory, a European research project Avometer, a brand of multimeter that measures amps–volts–ohms Other Agent–verb–object, a sentence structure in linguistics Apprehended Violence Order, an injunction in Australia Avon Park Executive Airport (IATA code), in Florida, U.S. of a Macanese pataca of a Portuguese Timorese pataca "AVO", a song on Amor Vincit Omnia by Pure Reason Revolution Avo, a character from Fable Avo, nom-de-guerre of Armenian-American revolutionary Monte Melkonian (1957–1993) See also Avos (disambiguation) de:AVO