| Tribonien | Tribonian |
| tribord | starboard |
| triboélectricité | triboelectricity |
| tribraque | tribrach |
| Tribsees | Tribsees |
| tribu | tribe |
| Tribu borélienne | Borel algebra |
| Tribu de Benjamin | Tribe of Benjamin |
| Tribu de Dan | Tribe of Dan |
| Tribu de Gad | Tribe of Gad |
| Tribu de Joseph | Tribe of Joseph |
| Tribu de Juda | Tribe of Judah |
| Tribu de Lévi | Levite |
| Tribu de Manassé | Tribe of Manasseh |
| Tribu de Nephthali | Tribe of Naphtali |
| Tribu de Ruben | Tribe of Reuben |
| Tribu de Siméon | Tribe of Simeon |
| tribulation | tribulation |
| tribulations | trials and tribulations |
| tribule terrestre | caltrop |
| Tribun militaire | Military tribune |
| Tribun militaire à pouvoir consulaire | Tribuni militum consulari potestate |
| tribunal | bench |
| Tribunal administratif fédéral | Federal Administrative Court of Germany |
| Tribunal arbitral du sport | Court of Arbitration for Sport |
| Tribunal constitutionnel fédéral | Federal Constitutional Court of Germany |
| tribunal d'instance | small-claims court |
| tribunal de police | police court |
| Tribunal de première instance des Communautés européennes | Court of First Instance |
| Tribunal de Waitangi | Waitangi Tribunal |
| Tribunal fédéral | Federal Supreme Court of Switzerland |
| Tribunal international du droit de la mer | International Tribunal for the Law of the Sea |
| Tribunal militaire international de Dachau | Dachau Trials |
| Tribunal pénal fédéral | Federal Criminal Court of Switzerland |
| Tribunal pénal international pour le Rwanda | International Criminal Tribunal for Rwanda |
| Tribunal révolutionnaire | Revolutionary Tribunal |
| Tribunal spécial irakien | Supreme Iraqi Criminal Tribunal |
| Tribunal spécial pour la Sierra Leone | Special Court for Sierra Leone |
| Tribunal suprême | Supreme Court of Spain |
| Tribunal suprême de la Signature apostolique | Apostolic Signatura |
| Tribunal Vivant | Living Tribunal |
| Tribunal Waitangi | Waitangi Tribunal |
| tribune | forum |
| tribune de la presse | press box |
| Tribuno Memmo | Tribuno Memmo |
| tribut | price |
| tributaire | tributary |
| Tributylétain | Tributyltin |
| tricar | three-wheeler |
| tricentenaire | tercentenary |
| triceps | triceps |
| triceps brachial | triceps brachii |
| Triceratops | Triceratops |
| tricher | delude |
| Tricher sur | To scam |
| tricherie | foul play |
| tricheur | crook |
| tricheuse | crook |
| Trichie fasciée | Bee beetle |
| Trichinella | Trichinella |
| Trichinella spiralis | Trichinella spiralis |
| Trichlorure de phosphoryle | Phosphoryl chloride |
| trichobézoard | trichobezoar |
| Trichoceridae | Trichoceridae |
| Trichodes apiarius | Philanthus triangulum |
| Trichogaster | Trichogaster |
| Trichoglossus | Trichoglossus |
| Trichoglossus rubritorquis | Red-collared Lorikeet |
| trichologie | trichology |
| Tricholomataceae | Tricholomataceae |
| Tricholome de la Saint-Georges | Calocybe gambosa |
| Tricholome Pied bleu | Wood blewit |
| Tricholome rutilant | Tricholomopsis rutilans |
| Tricholomopsis | Tricholomopsis |
| Trichome | Trichome |
| Trichomonas vaginalis | Trichomonas vaginalis |
| Trichomycteridae | Trichomycteridae |
| Trichophagie | Trichophagia |
| Trichoptera | Trichoptera |
| Trichosurus | Trichosurus |
| trichotillomanie | trichotillomania |
| trichotomie | trichotomy |
