FGF may refer to:
- Federação Gaúcha de Futebol, Brazilian football federation for the state of Rio Grande do Sul
- Fédération Guinéenne de Football, the governing body of football in Guinea
- Fibroblast growth factor, a family of growth factors involved in angiogenesis, wound healing, and embryonic development
- Freddy Got Fingered, a 2001 American comedy film
- Fresh gas flow, the mixture of medical gases and volatile anaesthetic agents which is produced by an anaesthetic machine
- Galician Football Federation (Federación Gallega de Fútbol), the governing body of the sport of football in Galicia, Spain