Richard David Preston (born May 29, 1955) is a former professional American football running back who played six seasons for the Denver Broncos. He was selected by the New England Patriots in the 12th round (333rd overall) of the 1977 NFL Draft, but played his entire six-year career in Denver. He started 35 of 76 games, rushing for 1,793 yards and 10 touchdowns on 479 carries. He also caught 161 passes for 1,423 yards and 3 touchdowns. On special teams, Preston returned 18 punts for an 8.5 average and 26 kickoffs for a 23.0 yard average. In 684 touches, he fumbled 15 times, recovering 4 of them (1 every 62.2 touches).

Preston earned the Special Team's MVP his Rookie season, and his most productive year came in 1981 when he combined for 1,150 yards rushing and receiving.

During his years with the Broncos, Preston was also very active in community activities, serving as Colorado Sports Chairman for Muscular Dystrophy. He was honored by the Boy Scouts of America for his community involvement, and nominated for the Miller High-Life NFL Man-of-the Year award in 1981. Preston is a Founding Board Member of Rebuilding Together Metro Denver, and he currently serves on the Denver Bronco Alumni Council. He lives in Boulder, Colorado.