| Acronym | Definition |
|---|
| FIMM | Finnish Institute of Molecular Medicine (University of Helsinki, Finland) |
| FIMM | Fédération Interclubs de Modélisme et Maquettisme (French model making club) |
| FIMM | International Federation for Manual/Musculoskeletal Medicine |
| FIMM | Fellowship in International Microfinance and Microenterprise (Aga Khan Foundation Canada) |
| FIMM | Fidelity Investments Money Management |
| FIMM | Fabbrica Italiana Magneti Marelli (Italian: Italian Factory Magneti Marelli; automobiles) |
| FIMM | Fellow of the Institution of Mining and Metallurgy (UK) |