FMD may refer to:
- Falsified Medicines Directive
- Fashion Model Directory
- Fibromuscular dysplasia
- Fig mosaic disease
- Fluorescent Multilayer Disc
- Foot-and-mouth disease
- Formosan Mountain Dog
- Functional Motor Disorder
- Fort Madison station, in Iowa, United States
- Flow-mediated dilation, dilation of an artery due to increased blood flow
- Full Mouth Debridement
- Fyodor Mikhailovich Dostoyevsky (1821–1881)