Dennis Jensen (born 11 September 1969) is a retired Danish long-distance runner who specializes in 5000 and 10,000 metres races.
Jensen won a number of medals at the Nordic Cross Country Championships: winning the competition in 2000 and taking the bronze in 1997, 1998 and 2001.
He finished eleventh in the 10,000 metres at the 2002 European Championships.
Jensen is a seven-time national champion (1997-2003) in the men's 5,000 metres.
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