FML may refer to:
- Face Modeling Language, an XML-based language that describes face animation
- Fibre Metal Laminate, a class of metallic materials
- Fluorometholone, a corticosteroid used after refractive eye surgery
- FMyLife or FML, a blog website
- Football Manager Live, a massively multiplayer online game
- Faculdade de Medicina de Lisboa, University of Lisbon's Faculty of Medicine.