| Acronym | Definition |
|---|
| FIM | Forefront Identity Manager (Microsoft) |
| FIM | Fédération des Industries Mécaniques (French: Federation of Mechanical Industries) |
| FIM | International Federation of Musicians |
| FIM | Field Ion Microscopy |
| FIM | Fundación de Investigaciones Marxistas (Spanish: Marxist Research Foundation; Spain) |
| FIM | Federation Internationale Motocycliste |
| FIM | Federazione Italiana Metalmeccanici |
| FIM | Fisher Information Matrix |
| FIM | Forum for Interdisciplinary Mathematics |
| FIM | Flight Interruption Manifest (air travel) |
| FIM | Fault Isolation Manual |
| FIM | Fellowship International Mission |
| FIM | Fundación de Informática Médica |
| FIM | Field Intensity Meter |
| FIM | Full Indicator Movement (used for recording run-out) |
| FIM | Field Induced Model |
| FIM | Facultad de Informática de Madrid (Spanish) |
| FIM | Facility Investment Metric |
| FIM | Familial Infantile Myasthenia |
| FIM | Functional Information Manager (CIM) |
| FIM | Federation Internationale des Mineurs (French: International Federation for Minors) |
| FIM | Free Ion Model |
| FIM | Framework Information Model |
| FIM | Friend Murine Leukemia Virus Integration |
| FIM | Fuerza Isométrica Máxima (Spanish: Maximum Isometric Force) |
| FIM | Functional Integration Manager |
| FIM | Factory Inspectorate Minute (UK) |
| FIM | Facing Identification Marking |
| FIM | Flight Integration Manager |
| FIM | Fault Isolation Module |
| FIM | Friable Insulation Materials |
| FIM | Frontier Internship Mission (Switzerland) |
| FIM | Functional Input Message |
| FIM | Focus Issue Meeting |
| FIM | Filter Interest Manager |
| FIM | Fleet in Motion (automotive fleet remarketing) |
| FIM | Federal Insurance and Mitigation (US DHS/FEMA) |
| FIM | First in Math (website) |
| FIM | Fire Insurance Map |
| FIM | Face in the Mirror |
| FIM | First-In-Man |
| FIM | Finnish Mark (old currency code; replaced by EUR) |
| FIM | Flight Instruction Manual |
| FIM | Federation Internationale de Motocyclisme |
| FIM | Family Income Management |
| FIM | Flint Institute of Music (Flint, Michigan) |
| FIM | Functional Independence Measure (scale for measuring level of assistance in rehabilitation) |
| FIM | Friendship Is Magic |
| FIM | Free Issue Material (raw material procurement) |
| FIM | Florida International Museum |
| FIM | Fiber Interface Module |
| FIM | Frente Independiente Moralizador (Independent Moralizing Front, Peru) |
| FIM | Facility Improvement Measure |
| FIM | Franchise Information Memorandum (UK) |
| FIM | Fox Interactive Media |
| FIM | Finance and Information Management |
| FIM | Fairness in Media |
| FIM | Feature Interaction Management |
| FIM | Fisheries-Independent Monitoring (Florida Fish and Wildlife Conservation Commission) |
| FIM | Federated Identity Management |