Wikipedia
OAA
OAA may refer to:
- Oceania Athletic Association
- Office of the Administrative Assistant to the Secretary of the Army
- Ohio Auctioneers Association
- Ohio Achievement Assessment
- The Older Americans Act of 1965
- Oman Automobile Association, a member of the FIA
- Ontario Association of Architects
- Open Adoption Agreement
- Open Agent Architecture
- Open Automotive Alliance, an organization to computerize cars
- Optically active additive, for use in paints and coatings
- Optometrists Association Australia
- Oriental Astronomical Association
- Orlando Apopka Airport
- Oxaloacetic acid
- Oxford Aviation Academy
- Oxley Aviation, Australia ( ICAO operator designator)
- Ozark Adventist Academy