Operators
- Denmark
- Royal Danish Air Force
- Finland
- Finnish Air Force (four FF.49C, one FF.49B; in use 1918-1923)
- German Empire
- Kaiserliche Marine
- Netherlands
- Royal Netherlands Navy
- Norway
- (four FF.49C, by A/S Aero)
- Poland
- Polish Air Force (Postwar)
- Sweden
- Swedish Navy (Postwar), (two FF.49C, in use from 1919–1924)
Read more about this topic: Friedrichshafen FF.49