- Treaty of Fort Stanwix
- Treaty of Ghent
- Treaty of Oswegatchie (1760)
- Treaty of Paris 1763
- Treaty of Paris 1783
- Treaty of Ryswick
- Treaty of Saint-Germain
- Treaty of Utrecht
- Treaty of Versailles
- Treaty of Washington
- Treaty-Making Power
- Treeline
- Trees
- Tremblay Concerts/Les Concerts Tremblay
- Trent Affair
- Trent Frayne
- Trent Taylor
- Trent University
- Trent-Severn Waterway
- Trente Arpents
