| IMAC | Immobilized metal ion affinity chromatography 
| Others |
| IMAC | Independent Medicare Advisory Council
| Others |
| IMAC | Indonesia Mazda Auto Club
| Others |
| IMAC | Innovation Management Association of Canada
| Others |
| IMAC | Install Move Add and Change
| Others |
| IMAC | Install Move Add Change
| Others |
| IMAC | Install, Move, Add, or Change
| Others |
| IMAC | Installs Moves Adds and Changes
| Others |
| IMAC | Instructional Media Assistance Center
| Others |
| IMAC | Insurance Managers Association of Cayman
| Others |
| IMAC | Integrated Motoring And Analysis Center
| Others |
| IMAC | Integrative Medicine Advisory Committee
| Others |
| IMAC | Intensive Multidisciplinary Assessment Camp
| Others |
| IMAC | Interfaith Moral Action on Climate
| Others |
| IMAC | Interim Maximum Acceptable Concentration
| Others |
| IMAC | International Conference on Image Management And Communications
| Others |
| IMAC | International Marketing and Administration Company
| Others |
| IMAC | International Miniature Acrobatic Club
| Others |
| IMAC | International Miniature Aerobatic
| Others |
| IMAC | International Miniature Aerobatic Club
| Others |
| IMAC | International Modal Analysis Conference
| Others |
| IMAC | International Movement of the Apostolate of Children
| Others |
| iMAC | Internet Macintosh
| Others |
| IMAC | Internet Macintosh and clicks
| Others |
| IMAC | Isochronous Media Access Control
| Others |
| IMAC | Isochronous Media Access Controller
| Others |