David McMaster Kerr (15 May 1900 – 19 April 1978) was a politician in Ontario, Canada.
He was a Progressive Conservative member of the Legislative Assembly of Ontario from 1951 to 1959 who represented the downtown Toronto riding of Dovercourt.
He became a Presbyterian minister and worked in small Ontario towns of Shakespeare and Waterloo.
He defeated CCF incumbent George Eamon Park by 256 votes.
[5] During his time in the legislature he served as a backbench supporter to Premier Leslie Frost.