| Treaty of Nystad | Traité de Nystad |
| Treaty of Nöteborg | Traité de Nöteborg |
| Treaty of Paris | Traité de Paris |
| Treaty of Passarowitz | Traité de Passarowitz |
| Treaty of peace with Italy | Traité de Paris |
| Treaty of Perth | Traité de Perth |
| Treaty of Petrópolis | Traité de Petrópolis |
| Treaty of Picquigny | Traité de Picquigny |
| Treaty of Polyanovka | Traité de Polanów |
| Treaty of Rapallo | Traité de Rapallo |
| Treaty of Rastatt | Traité de Rastatt |
| Treaty of Rome | Traité instituant la Communauté européenne |
| Treaty of Roskilde | Traité de Roskilde |
| Treaty of Ryswick | Traité de Ryswick |
| Treaty of Saint Clair-sur-Epte | Traité de Saint-Clair-sur-Epte |
| Treaty of Saint Petersburg | Traité de Saint-Pétersbourg |
| Treaty of Saint-Germain-en-Laye | Traité de Saint-Germain-en-Laye |
| Treaty of San Francisco | Traité de San Francisco |
| Treaty of San Ildefonso | Traité de San Ildefonso |
| Treaty of San Stefano | Traité de San Stefano |
| Treaty of Schönbrunn | Traité de Schönbrunn |
| Treaty of Senlis | Traité de Senlis |
| Treaty of Shimoda | Traité de Shimoda |
| Treaty of Stettin | Traité de Stettin |
| Treaty of Sèvres | Traité de Sèvres |
| Treaty of Tarascon | Traité de Tarascon |
| Treaty of the Pyrenees | Traité des Pyrénées |
| Treaty of the Triple Alliance | Triplice |
| Treaty of Tolentino | Traité de Tolentino |
| Treaty of Tordesillas | Traité de Tordesillas |
| Treaty of Torrellas | Sentence arbitrale de Torrellas |
| Treaty of Trianon | Traité de Trianon |
| Treaty of Troyes | Traité de Troyes |
| Treaty of Turkmenchay | Traité de Turkmanchai |
| Treaty of Verdun | Traité de Verdun |
| Treaty of Vereeniging | Traité de Vereeniging |
| Treaty of Versailles | Traité de Versailles |
| Treaty of Vienna | Traité de Vienne |
| Treaty of Waitangi | Traité de Waitangi |
| Treaty of Wallingford | Traité de Wallingford |
| Treaty of Westminster | Traité de Westminster |
| Treaty of Whampoa | Traité de Huangpu |
| Treaty of Windsor | Traité de Windsor |
| Treaty of Yandaboo | Traité de Yandabo |
| Treaty of York | Traité de York |
| Treaty of Zamora | Traité de Zamora |
| Treaty of Zgorzelec | Accords de Görlitz |
| Treaty on Conventional Armed Forces in Europe | Traité sur les forces conventionnelles en Europe |
| Treaty on the Final Settlement with Respect to Germany | Traité de Moscou |
| Trebbia | Trebbia |
| Trebević | Trebević |
| Trebinje | Trebinje |
| Trebinje Region | Trebinje |
| Trebisonda Valla | Trebisonda Valla |
| treble | triple |
| treble clef | clef de sol |
| Treblinka | Treblinka |
| Treblinka extermination camp | Treblinka |
| Trebonianus Gallus | Trébonien Galle |
| Trebonius | Gaius Trebonius |
| trebuchet | trébuchet |
| Trebuchet MS | Trebuchet |
| Trebur | Trebur |
| Trecento | Trecento |
| tree | arbre |
| Tree data structure | Arbre |
| Tree decomposition | Décomposition arborescente |
