The Marinens Flyvebaatfabrikk M.F.5 was a two-seat biplane floatplane built by the Royal Norwegian Navy Air Service aircraft factory Marinens Flyvebaatfabrikk from 1918. The M.F.5 was the first tractor configuration aircraft designed and built in Norway. During almost eight years of service the M.F.5 was mainly used as a reconnaissance aircraft although one example saw service as a trainer.