Fritz Ryser (26 May 1873 – 13 February 1916) was a Swiss cyclist. He won the UCI Motor-paced World Championships in 1908 and finished in third place in 1901.Ryser started with road racing and won a national title in 1899. The same year he turned professional and won a national title in motor-paced racing. Although in 1908 he became the first Swiss cyclist to win a world title in this discipline, his career was marred with bad luck.