FM
- FM – (s) Factory Mutual http://fmglobal.com
- fm – (s) Femtometre
- Fm – (s) Fermium
- FM
- (i) Federal Magistrate (Australian post-nominal)
- (s) Federated States of Micronesia (postal symbol; ISO 3166 digram; FIPS 10-4 territory code)
- (i) Field Manual
- Flight Manager
- Frequency Modulation (electronics)
- FMC
- (i) Federal Magistrates' Court (an Australian federal court, formerly FMS)
- Food Machinery Corporation (original name of the company now known as FMC Corporation)
- FMCA – (i) Federal Magistrates' Court of Australia (used for citing decisions of the FMC other than family law decisions)
- FMCAfam – (i) Federal Magistrates' Court of Australia: family (used for citing family law decisions of the FMC)
- FME – (i) Formal Methods Europe
- FMECA – (i) Failure Modes and Effect Criticality Analysis
- FMJD – (i) Fédération Mondiale du Jeu de Dames
- FMLA – (i) Family Medical Leave Act
- Fmr – Former (As in "Fmr. president")
- fMRI – (i) Functional Magnetic Resonance Imaging
- FMS
- (i) Federal Magistrates Service (an Australian federal court, now FMC)
- (i) Flight Management System
- Foreign Military Sales
- FMSF – (i) False Memory Syndrome Foundation
- FMTV – (i) Family of Medium Tactical Vehicles
- FMCG – (i) (Fast Moving Consumer Goods)
Read more about this topic: List Of Acronyms And Initialisms: F