| OACC | Chakcharan, Afghanistan 
| Others |
| OACC | Oakdale Area Chamber of Commerce
| Others |
| OACC | Oakhurst Area Chamber of Commerce
| Others |
| OACC | Oakland Alameda County Coliseum
| Others |
| OACC | Oakland Asian
| Others |
| OACC | Oakland Asian Cultural Center
| Others |
| OACC | Oceanic Area Control Center
| Others |
| OACC | Oceanic Area Control Centre
| Others |
| OACC | Office of Animal Care Compliance
| Others |
| OACC | Office of Audits and Court Compliance
| Others |
| OACC | Ohio Association of Community Colleges
| Others |
| OACC | Oklahoma Agriculture Cooperative Council
| Others |
| OACC | Oklahoma Association of Community Colleges
| Others |
| OACC | Oldenburg Arts and Cultural Community
| Others |
| OACC | Older Adult Counseling Center
| Others |
| OACC | Omnidirectional Adaptive Cruise Control
| Others |
| OACC | Ontario Agricultural Commodity Council
| Others |
| OACC | Ontario Association of Career Colleges
| Others |
| OACC | Opel Astra Coupe Center
| Others |
| OACC | Oracle Applications Change Control
| Others |
| OACC | Orange Apple Computer Club
| Others |
| OACC | Ordered Amorphous Carbon Clusters
| Others |
| OACC | Oregon Association of County Clerks
| Others |
| OACC | Organic Agriculture Centre of Canada
| Others |
| OACC | Orion Area Chamber of Commerce
| Others |
| OACC | Ortega Animal Care Center
| Others |
| OACC | Ottawa Air Cargo Centre
| Others |
| OACC | Ottawa Area Camps Committee
| Others |
| OACC | Outcome Assessment and Complexity Collaborative
| Others |
| OACC | Ozark Area Community Congress
| Others |