| IAC | I Am Canadian 
| Others |
| IAC | I Am Confused
| Others |
| IAC | I Am Cute
| Others |
| IAC | Ibm Institute for Advanced Commerce
| Others |
| IAC | Idaho Association of Counties
| Others |
| IAC | Idle Air Control
| Others |
| IAC | Image Analysis Center
| Others |
| IAC | Immigration and Asylum Chamber
| Others |
| IAC | Immunization Action Coalition
| Others |
| IAC | In Active Case
| Others |
| IAC | In Any Case
| Others |
| IAC | Inaffective Assistance of Counsel
| Others |
| IAC | Indeo Audio Codec
| Others |
| IAC | India Against Corruption
| Others |
| IAC | Indian Academic Council
| Others |
| IAC | Indian Academy of Cytologists
| Others |
| IAC | Indian Airlines Corporation
| Others |
| IAC | Indian Army Cavalry
| Others |
| IAC | Indian Automobile Club
| Others |
| IAC | Indiana Administrative Code
| Others |
| IAC | Indiana Arts Commission
| Others |
| IAC | Indigenous Aircraft Carrier
| Military, Defence, Marine Corps, Navy, Transport, Water Transport |
| IAC | Indirect Air Carrier
| Others |
| IAC | Individual Axle Control
| Others |
| IAC | Indonesia Apv Club
| Others |
| IAC | Indonesia Avanza Community
| Others |
| IAC | Industrial Acceptance Corporation
| Others |
| IAC | Industrial Arbitration Court
| Others |
| IAC | Industrial Assessment Center
| Others |
| IAC | Industrial Assessment Centers
| Others |
| IAC | Industrially Advanced Countries
| Others |
| IAC | Ineffective Assistance of Council
| Others |
| IAC | Ineffective Assistance of Counsel
| Others |
| IAC | Information Analysis center
| Others |
| IAC | Information Analysis Centers
| Others |
| IAC | Information Architecture Conference
| Others |
| IAC | Infrastructure as a Code
| Others |
| IAC | Infrastructure As Code
| Others |
| IAC | Initial Alignment Control
| Others |
| IAC | Injection Accordee de Carburant
| Others |
| IAC | Inner Array Cable
| Others |
| IAC | Inquiry Access Code
| Others |
| IAC | Institute for Applied Chromatography
| Others |
| IAC | Institute of Amateur Cinematographers
| Others |
| IAC | Institute of Applied Cynicism
| Others |
| IAC | Institutional Actions Council
| Others |
| IAC | Instituto de Astrofisica de Canarias, Spain
| Others |
| IAC | Instituto de Asuntos Culturales
| Others |
| IAC | Intake Air Control
| Others |
| IAC | Intamin Accelerator Coaster
| Others |
| IAC | Integrated Agent Controller
| Others |
| IAC | Integrated Analysis Capability
| Others |
| IAC | Integrated Avionics Computer
| Others |
| IAC | Integrator and Automatic Computer
| Others |
| IAC | Integrator And Computer
| Others |
| IAC | Intelligent Analytic Computer
| Others |
| IAC | Inter African Committee
| Others |
| IAC | Inter Application Communication
| Others |
| IAC | Inter Attribute Constraint
| Others |
| IAC | Inter-Academy Council
| Others |
| IAC | InterActiveCorp
| Others |
| IAC | Interagency Advisory Council
| Others |
| IAC | Interagency Commission for Outdoor Recreation
| Others |
| IAC | Intercollegiate Athletics Committee
| Others |
| IAC | Interdisciplinary Arts Council
| Others |
| IAC | Interface Adapter Unit
| Others |
| IAC | Intergovernmental Advisory Committee
| Others |
| IAC | Interlocked Armor Cable
| Others |
| IAC | Intermediary Advisory Committee
| Others |
| IAC | Intermediate Adequacy Condition
| Others |
| IAC | Internal acoustic canal
| Others |
| IAC | Internal Audio Controller
| Others |
| IAC | Internal Audit Capability
| Others |
| IAC | Internal Auditory Canal
| Others |
| IAC | International Academy of Ceramics
| Others |
| IAC | International Academy of Consciousness
| Others |
| IAC | International Access Code
| Others |
| IAC | International Action Center
| Others |
| IAC | International Advisory Council
| Others |
| IAC | International Aerobatic Club
| Others |
| IAC | International Aerospace Coatings
| Others |
| IAC | International Affairs Committee
| Others |
| IAC | International Agricultural Centre
| Others |
| IAC | International Airline Crewing
| Others |
| IAC | International Assassin Corps
| Others |
| IAC | International Association for Counselling
| Others |
| IAC | International Association for Cybernetics
| Others |
| IAC | International Association of Coaches
| Others |
| IAC | International Association of Coaching
| Others |
| IAC | International Association of Counselling
| Others |
| IAC | International Astronautical Congress
| Others |
| IAC | International Automotive and Custom
| Others |
| IAC | International Automotive Components
| Others |
| IAC | International Automotive Conference
| Others |
| IAC | Internet Access Coalition
| Others |
| IAC | Internet Access Control
| Others |
| IAC | Internet Advertising Competition
| Others |
| IAC | Interplanetary Alien Control
| Others |
| IAC | Interposed Abdominal Compression
| Others |
| IAC | Interscholastic Athletic Conference
| Others |
| IAC | Intersocietal Accreditation Commission
| Others |
| IAC | Introductory Adverbial Clause
| Others |
| IAC | Introductory Aerobic Code
| Others |
| IAC | Iowa Agricultural College
| Others |
| IAC | Iraq Action Coalition
| Others |
| IAC | Irvine Apartment Community
| Others |
| IAC | Island Area Cruisers
| Others |
| IAC | Israel Action Center
| Others |
| IAC | Israeli American Council
| Others |
| IAC | Issuing Authority Code
| Others |
| IAC | Isuzu Auto Care Center
| Others |