IMMA
| 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 |