Stephen Byron Wilcock (born 24 January 1954) is a former motorcycle speedway from England.

[1][2][3] Wilcock rode in the top two tiers of British Speedway from 1974 to 1991, riding for various clubs.

[4] In 1979, he finished runner-up in the National League Riders' Championship.

[5][6] He was regarded as one of the leading National League riders at the time, consistently finishing in the top ten averages.

[1][7] In 1985, he helped the Middlesbrough Tigers win the Fours Championship during the 1985 National League season.