| IAOC | IETF Administrative Oversight Committee 
| Others |
| IAOC | Independent Advisory Oversight Committee
| Others |
| IAOC | Independent Audit and Oversight Committee
| Others |
| IAOC | Industries Association of Chandigarh
| Others |
| IAOC | International Advanced Orthopaedic Congress
| Others |
| IAOC | International Amphicar Owners Club
| Others |
| IAOC | International Arabian Oryx Club
| Others |
| IAOC | International Association of Costume
| Others |
| IAOC | International Association of Online Communicators
| Others |