| IAmA | I am a 
| Others |
| IAMA | I Am Mildly Amused
| Others |
| IAMA | Idaho Airport Management Association
| Others |
| IAMA | Independent Aircraft Modifier Alliance
| Others |
| IAMA | Indian American Medical Association
| Others |
| IAMA | Industria Argentina de Micro Automoviles
| Others |
| IAMA | Infrastructure Asset Management Alberta
| Others |
| IAMA | Institute of Arbitrators Mediators Australia
| Others |
| IAMA | Intermountain Acoustic Music Association
| Others |
| IAMA | International Abstaining Motorists Association
| Others |
| IAMA | International Academy of Medical Acupuncture
| Others |
| IAMA | International Acoustic Music Awards
| Others |
| IAMA | International Additive Manufacturing Award
| Others |
| IAMA | International Adventist Musicians Association
| Others |
| IAMA | International Alternative Medicine Association
| Others |
| IAMA | International Antiquarian Mapsellers Association
| Others |
| IAMA | International Art
| Others |
| IAMA | international Art Museum of America
| Others |
| IAMA | International Artist Managers Association
| Others |
| IAMA | International Artist Managers' Association
| Others |
| IAMA | International Association for Microanalysis
| Others |
| IAMA | International Association of Missionary Aviation
| Others |
| IAMA | International Automotive Media Association
| Others |
| IAMA | International Automotive Media Awards
| Others |
| IAMA | International Food and Agribusiness Management Association
| Others |
| IAMA | Internationalen Automobil Und Motorrad Ausstellung
| Others |
| IAMA | Iranian American Medical Association
| Others |