| IACM | India Against Corruption Movement 
| Others |
| IACM | Indian Association of Clinical Medicine
| Others |
| IACM | Infectious Aerosol Capture Mask
| Others |
| IACM | Information Architecture and Content Management
| Others |
| IACM | Institute for the Advancement of Chinese Medicine
| Others |
| IACM | Institute of Advanced Computing and Management
| Others |
| IACM | Institute of Applied and Computational Mathematics
| Others |
| IACM | Integrated Accident Causation Model
| Others |
| IACM | Inter Agency Coordination Meeting
| Others |
| IACM | Interagency Assessment of Cocaine Movement
| Others |
| IACM | International Association for Cannabinoid Medicines
| Others |
| IACM | International Association for Cannabis as Medicine
| Others |
| IACM | International Association for Comparative Mythology
| Others |
| IACM | International Association for Computational Mechanics
| Others |
| IACM | International Association for Conflict Management
| Others |
| IACM | International Association of Catholic Missiologists
| Others |
| IACM | International Association of Chinese Magicians
| Others |
| IACM | International Association of Coaching and Mediation
| Others |
| IACM | International Association of Color Manufacturers
| Others |
| IACM | International Association of Customs Museums
| Others |