The Hurontario LRT is a light rail line under construction in the cities of Mississauga and Brampton, Ontario, Canada. The line will run along Hurontario Street from Mississauga's Port Credit neighbourhood north to Steeles Avenue in Brampton. The line will be built and operated as a public-private partnership by Mobilinx, a consortium of private European and Japanese companies, with provincial transit agency Metrolinx retaining ownership of the line. It will be the only street railway operating in the Greater Toronto Area outside Toronto proper.

Brampton is a city in the Canadian province of Ontario. It is part of the Greater Toronto Area (GTA) and is a lower-tier municipality within Peel Region. The city has a population of 656,480 as of the 2021 Census, making it the ninth most populous municipality in Canada and the third most populous city in the Greater Golden Horseshoe urban area, behind Toronto and Mississauga.