OAO

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AcronymDefinition
OAOOffice of Advocacy and Outreach (USDA)
OAOOffice of Administrative Operations (US DOC)
OAOOwned and Operated
OAOOrbiting Astronomical Observatory
OAOOver and Out
OAOOne And Only
OAOOverall Opinion (marketing)
OAOOntario Association of Orthodontists
OAOOntario Association of Optometrists
OAOOpticians Association of Ohio
OAOOregon Academy of Ophthalmology
OAOOrthogonalized Atomic Orbital
OAOOffice of Appellate Operations (US Social Security Administration)
OAOOtkrytoe Aktsionernoe Obschestvo (Russian: Open Joint Stock Corporation)
OAOOrbital Analysis Officer
OAOOne Among Others
OAOOther Authorised Operator (telecommunications)
OAOObjective Area Officer