Brampton Transit (BT) is a public transport bus operator for the City of Brampton in the Regional Municipality of Peel, and within the Greater Toronto Area (GTA) in Ontario, Canada. Brampton Transit began operations in 1974. In 2023, the system had a ridership of 49,200,800, or about 219,500 per weekday as of the fourth quarter of 2023.

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.