- Tanlay
- Tannay
- Tannerre-en-Puisaye
- Tarcenay
- Tarsul
- Tart-le-Bas
- Tart-le-Haut
- Tartécourt
- Tassenières
- Tavaux
- Tavernay
- Tavey
- Taxenne
- Tazilly
- Teigny
- Tellecey
- Ternuay-Melay-et-Saint-Hilaire
- Trévenans
- Thaix
- Tharoiseau
- Tharot
- Theil-sur-Vanne
- Thenissey
- Thervay
- Thésy
- Theuley
- Thiancourt
- Thianges
- Thiébouhans
- Thieffrans