- Tax credits. see also Senior citizens—home renovation tax credit
- Tax evasion
- Taxation policy
- Teacher certificates
- Teacher collective agreements. see also Ontario English Catholic Teachers' Association (OECTA)
- DiNovo, SP315, SP317
- Tabuns, SP314–SP315, SP317, SP318–SP319
- Teacher salaries
- Teachers. see also Arbitration; Occasional teachers
- Dhillon, E232
- Duncan, E232
- bullying
- counselling students
- Tabuns, SP197
- equity issues, training
- Flynn, SP102
- government relations with
- Tabuns, SP296–SP297
- hiring
- surplus
- Teachers' rights
- collective bargaining
- DiNovo, SP306–SP308, SP312, SP318–SP319
- Tabuns, SP302–SP304, SP308–SP309
- collective bargaining
- Telemedicine
- Tenants. see Landlord and tenant
- Timber. see Forest resources
- Tobacco control
- Tobacco products
- Tobacco Tax Act, R.S.O. 1990, c. T.10
- Wynne, E443
- Toby's Act (Right to be Free from Discrimination and Harassment Because of Gender Identity or Gender Expression), 2012 (Bill 33)
- Toronto, City of
- Toronto Transit Commission (TTC). see also Air Rail Link (Toronto); Eglinton-Scarborough Crosstown transit line (Toronto)
- Tourism. see Wineries—tourism and
- Traffic congestion. see also Greater Toronto Area (GTA); Toronto, City of
- Traffic congestion study of Greater Toronto and Hamilton Area (GTHA). see also Cycling; Durham Region; GO Transit; Ottawa, City of; Road tolls; Toronto, City of; Transit systems
- Coteau, G345, G346
- Dhillon, G310, G313, G324, G325, G332, G333, G347, G352
- MacLaren, G337
- Marchese, G310, G312, G313, G323, G324, G327, G328, G334, G343, G345, G348, G352, G357
- Naqvi, G337, G338
- O'Toole, G308–G309, G313, G314, G321, G322, G325, G330, G333, G343, G349, G350, G356, G357, G359, G360
- Schein, G309, G310, G318, G323, G324, G325, G328, G334, G337, G345, G350, G354
- Sergio, G317, G329
- Smith, G317, G318, G322, G323, G329, G330, G334, G346, G347, G353
- Transit infrastructure. see also Metrolinx
- Transit systems. see also GO Transit; Toronto Transit Commission (TTC); York Region Transit
- Transit use