Helmut Fath (24May 192919June 1993) was a German sidecar racer and engineer. He won the Sidecar World Championship in 1960 and 1968. His early racing was on BMW R50 sidecars with a chassis of his own design. After a bad accident in 1961, he took time off and returned with his own design URS four-cylinder machine to win the title in 1968. The URS engine was also used in solo competition as well as powering Horst Owesle/Peter Rutterford to the 1971 World Sidecar Championship.