Keith John Cullen (born 13 June 1972 in Ilford, Greater London) is a male former long-distance runner from England.
Cullen represented Great Britain at the 2000 Summer Olympics in the men's marathon.
Four years earlier, in Atlanta, United States, he was eliminated in the semi-finals of the men's 3000 metres steeplechase.
[1] He represented England in the 5,000 metres event, at the 1998 Commonwealth Games in Kuala Lumpur, Malaysia.
[2][3][4] He is now a Graphic Designer living in North London.