| Royal Swedish Academy of Engineering Sciences | Academic & Science |
| Kungliga Ingenjörsvetenskapsakademien | Academic & Science |
| Intellectual Virtues Academy | Academic & Science |
| Kungliga Ingenj?svetenskapsakademien | Academic & Science |
| Indiana Volleyball Academy | Academic & Science |
| Instability Visualization And Analysis | Business |
| Individual Voluntary Agreement | Business |
| Ivanhoe Australia Limited | Business |
| Ivanhoe Australia, LTD. | Business |
| International VAT Association | Community |
| Integrated Vocational Assignment | Community |
| Israel Venture Association | Community |
| Intelligent Video Analytics | Computing |
| Intelligent Voice Automation | General |
| Ideal Vehicle Awards | General |
| Intelligent Valve Actuation | General |
| In Vehicle Awareness | General |
| Individual Vehicle Assessment | General |
| Indirect Value Added | General |
| Intelligent Virtual Agents | General |
| International VELUX Award | General |
| International Value Advisers | General |
| In Vitro Activation | General |
| Individual Voluntary Arrangements | General |
| Infinity Vision Alliance | Governmental |
| Intra Vehicular Activity | Governmental |
| Individual Voluntary Arrangement | Governmental |
| Intelligence Virtual Architecture | Governmental |
| Institute for Vocal Advancement | Governmental |
| Individual Vehicle Approval | Governmental |
| Imposta sul Valore Aggiunto | International |
| Impuesto sobre el Valor Añadido/ Adjunto | International |
| Impuesto al Valor Agregado | International |
| Impuesto sobre el Valor A?dido/ Adjunto | International |
| Internet Video Archive | Internet |
| Indian Veterinary Association | Medical |
| Irish Veterinary Association (obsolete, now part of Veterinary Ireland) | Medical |
| Isovaleric acidemia | Medical |
| Ambanja, Madagascar | Regional |
