| Derek Harrison | |
| Nationality: | British (English) |
| Birth Date: | 1 May 1959 |
| Birth Place: | Brandon, Suffolk, England |
| Years1: | 1976 |
| Career1: | Boston Barracudas |
| Years2: | 1978-1979 |
| Career2: | Milton Keynes Knights |
| Years3: | 1978-1980 |
| Career3: | King's Lynn Stars |
| Years4: | 1980-1981 |
| Career4: | Oxford Cheetahs |
| Years5: | 1980 |
| Career5: | Cradley Heathens |
| Years6: | 1982-1983 |
| Career6: | Mildenhall Fen Tigers |
| Years7: | 1982 |
| Career7: | Leicester Lions |
| Years8: | 1982, 1983 |
| Career8: | Reading Racers |
| Years9: | 1983 |
| Career9: | Birmingham Brummies |
| Years10: | 1984 |
| Career10: | Peterborough Panthers |
| Years11: | 1985 |
| Career11: | Eastbourne Eagles |
Derek Charles Ernest Harrison (born 1 May 1959) is a former motorcycle speedway rider[1] from England.[2]
Born in Brandon, Suffolk, Harrison began his career in 1976 with Boston Barracudas.[3] Between 1978 and 1980 he rode for both his parent club King's Lynn Stars in the British League and between 1978 and 1979 rode in the National League (NL) with Milton Keynes Knights. In 1980 he transferred to Cradley Heathens and also rode in the National League for Oxford Cheetahs in 1980 and 1981.
In 1982 and 1983 he rode for Mildenhall Fen Tigers in the NL as well as spells with Leicester Lions, Reading Racers, and Birmingham Brummies in the top flight.[4] In 1984 he transferred to Peterborough Panthers before spending his final season with Eastbourne Eagles.
Harrison represented England at National League level in two matches against Scotland in 1979.