David Baker (born 30 December 1965) is an English former professional cyclist, who competed in cyclo-cross and mountain bike racing.

Baker, from Dronfield, Derbyshire, began riding cyclo-cross with Norton Wheelers.

He moved to Ace Racing Team where he and teammate Tim Gould dominated cyclo-cross for years.

In the late 1980s, Baker and Gould tried small mountain bike races, progressing to Mountain Bike Club events which were then a national series.

In 1993, he won the UK round of the Grundig Mountain Bike World Cup at Newnham Park, near Plymouth.