Roger Frogley (13 July 1908 in Ware, Hertfordshire[1] – 30 June 1974[2]) was a pioneering British motorcycle speedway rider.

He made his debut on 14 April 1928 at High Beach motorcycle speedway located inside of Epping Forest; the track was behind The King's Oak public house.

A special trophy was put forth that year for the first, fourth place riders to win races at more than 39 mph.

In later life he was a successful businessman and lived in a house on Stapleford Airfield with his wife Sonja and his children William and Tanya.

He was a friend of Rupert "Bob" Simpson a pilot with BOAC and fellow boating enthusiast He suffered from a gastric ulcer and died from cancer of the colon in the 1970s.