| Acronym | Definition |
|---|
| IMMA➣Irish Museum of Modern Art |
| IMMA➣International Mixed Martial Arts |
| IMMA➣Ion Microprobe Mass Analysis |
| IMMA➣Insured Money Market Account |
| IMMA➣Indiana Municipal Management Association |
| IMMA➣International Motorcycle Manufacturers Association |
| IMMA➣Innovation Management Maturity Assessment |
| IMMA➣International Maritime Manning Agency Ltd. (Ukraine) |
| IMMA➣International Maritime Meteorological Archive |
| IMMA➣Installation Materiel Maintenance Activity |