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.