David Campbell was a Manitoba politician. When the provincial Liberals merged with John Bracken's Progressives in 1932, Campbell led a group of dissident, anti-merger Liberals into the subsequent election.

David Richard Campbell (b. 1948) is a Canadian-born music arranger, composer and conductor who has been featured on many popular albums. He was born in Toronto, Ontario, Canada and has three children: musicians Beck and Channing (with Bibbe Hansen), and Alyssa Campbell (with Raven Kane).

David Campbell (born August 6, 1973 in South Australia) is an Australian singer and stage performer. He has perfomed and recorded many different genre of music from rock to classics.

David Campbell is a British Professor and the Head of the Law Department at Durham University until 2008. His subject area is English contract law. He became Head of Department in 2005, a year after joining the faculty.

David Anthony Campbell (born 2 June, 1965 in Eglinton, Northern Ireland) is a former Northern Irish footballer who played in the midfield position.