Kingston Transit is the public transit service serving Kingston, Ontario, Canada. As well as to the neighbouring community of Amherstview, in Loyalist Township. Major transfer points are at the Kingston Centre, Downtown Kingston (at the corner of Bagot and Brock streets), Cataraqui Town Centre, and Gardiners Town Centre. It began on July 1, 1962.

Kingston Transit offers service to all three schools of higher education in the region: Queen's University, St. Lawrence College, and RMC. It also offers service to the Kingston Bus Terminal and the railway station.

The Kingston Public Transit System began service on July 1, 1962, when the city's Public Utilities Commission took over the operation of transit service from Kingston City Coach, a subsidiary of Colonial Coach Lines. The Kingston Transit name was adopted in 1975.

In 2017, Kingston Transit experienced a record six million rides, which was the fourth consecutive year that ridership grew by more than 10 percent.

Local routes operate Monday–Saturday from approximately 6:00 am to 11:00 pm and Sunday from 8:30 am to 8:30 pm. They run every 30 minutes Monday–Saturday before 7:00 pm, and every 60 minutes at all other times unless otherwise noted.

Seasonal routes primarily serve Queen's University and only operate from September–April (excluding the period between last exam day in December and first day of classes in January, and Reading Week).

Express routes operate with a frequency of 10–30 minutes and have stops placed further apart than local routes.

Kingston Transit fares and My Card rates effective January 1, 2017. Daily and Weekly passes are also available from various transit locations.