| AIOC | Academic Initiatives Oversight Committee 
| Others |
| AIOC | Accademia Italiana Optometristi Contattologi
| Others |
| AIOC | Advanced Infantry Officers Course
| Others |
| AIOC | Advanced Infantry Officers' Course
| Others |
| AIOC | All India Ophthalmological Conference
| Others |
| AIOC | All India Optometry Conference
| Others |
| AIOC | All India Oriental Conference
| Others |
| AIOC | Anglo Iranian Oil Company
| Others |
| AIOC | Anglo-Iranian Oil Company
| Others |
| AIOC | Art Institute of California
| Others |
| AIOC | Associate of the Institute Of Carpenters
| Others |
| AIOC | Association of Island Obedience Clubs
| Others |
| AIOC | Associazione Insigniti Onorificenze Cavalleresche
| Others |
| AIOC | Australian Informatics Olympiad Committee
| Others |
| AIOC | Azerbaijan International Oil Co
| Others |
| AIOC | Azerbaijan International Oil Consortium
| Others |
| AIOC | Azerbaijan International Operating Company
| Others |
| AIOC | Azerbiajan International Operating Company
| Others |
| AIOC | The Atlanta International Olympic Committee
| Others |