- Fabry disease
- Factor V Leiden thrombophilia
- Fahr disease
- Familial adenomatous polyposis
- Familial dysautonomia
- Familial Mediterranean fever
- Fanconi anemia
- Fanconi-Bickel syndrome
- Fetal alcohol syndrome
- FG syndrome
- Fibroblast growth factor receptor mutations
- Fragile X syndrome
- Fraser syndrome
- Freeman-Sheldon syndrome
- Friedreich ataxia
- Frontonasal dysplasia
- Fryns syndrome
- FSH muscular dystrophy
