Gary Carr is a Canadian politician in Ontario, Canada. He served as a Progressive Conservative member of the Legislative Assembly of Ontario from 1990 to 2003, and served in the House of Commons of Canada as a Liberal from 2004 to early 2006. Gary Carr is currently the Chair of the Regional Municipality of Halton.

The Regional Municipality of Halton, or Halton Region, is a regional municipality in Ontario, Canada, located in the Golden Horseshoe of Southern Ontario. It comprises the city of Burlington and the towns of Oakville, Milton, and Halton Hills. Policing in the Region is provided by the Halton Regional Police Service. The regional council's headquarters are located in Oakville. Burlington, Oakville, and Milton are largely urban and suburban, while Halton Hills is more rural.