| Acronym | Sense | Language | Topics |
|---|---|---|---|
| FM | First Mold | In English | |
| FM | Flight Model | In English | → Aeronautics, aircraft → Astronautics |
| FM | Fluid Module | In English | |
| FM | Fracture Mechanics | In English | → Mechanics |
| FM | Frequency Modulated | In English | → Telecommunications |
| FM | Frequency Modulation | In English | → Telecommunications |
| FM | Federación Minerometalúrgica | In Spanish | → Organizations and associations → Labour, labour economics → Metallurgy |
| FM | Frequentie Modulatie | In Dutch | → Telecommunications |
| FM | Fiche de Modification | In French | → Quality management |