Sir David Anthony Crausby (born 17 June 1946) is a British Labour Party politician who has been the Member of Parliament (MP) for Bolton North East from 1997 until 2019.
Crausby was born in Bury, Lancashire and worked as a lathe turner and as works convenor for the Amalgamated Engineering Union.
He was a councilor for Bury District Council from 1979 to 1992.
He was elected as an MP in 1997.
Crausby was a member of the Social Security and Defence Select Committees.