GFM may refer to:
- Gas forming myonecrosis, a synonym for gas gangrene
- German Musicological Society (German: Gesellschaft für Musikforschung)
- GFM cloche, a defensive armament on the Maginot Line
- GitHub Flavored Markdown
- Gloucester FM, an English radio station
- Gruyère–Fribourg–Morat railway, a Swiss railway
- GoFundMe, a popular crowdfunding website
- Government-Furnished Materials, a term of art for materials furnished by the US federal government to fulfill contract obligations under Federal Acquisition Regulations
- Gemeinsam-für-March, das ist eine nicht mitgliedschaftlich organisierte Wählervereinigung in der Gemeinde 79232 March, die an Kommunalwahlen teilnimmt