FFB can refer to
- Landkreis Fürstenfeldbruck, a county in Germany
- Fédération de Football du Burundi
- Football Federation of Belarus
- Force feedback
- Frum From Birth, for a person who was born into a religiously observant family
- Funkfahrbetrieb, a radio-controlled train protection system (Germany)
- Radio Forces Françaises de Berlin, a military radio broadcasting service