| Tempo | The speed at which music plays. |
| Tenerife | A snowy mountain in the ocean. |
| Tenor | The highest natural male voice. |
| Tern | A slender, graceful sea bird. |
| Terrae | Latin term for lands or earths. |
| Tevye | A name meaning good or beloved. |
| Tiaraju | A name of indigenous origin |
| Tiber | Named after the Italian river |
| Tiberin | One who dwells by the river |
| Tiberinus | The deity of the Tiber River |
| Timpani | Musical kettle drum percussion |
| Titanus | A name meaning giant or powerful. |
| Tobago | Named after a local tobacco pipe. |
| Toffee | A sweet treat made of boiled sugar. |
| Tolstoy | Derived from a thick or fat man. |
| Tommen | A name meaning twin or innocent. |
| Tomohisa | Meaning lasting friend or wisdom. |
| Tomomi | Meaning beautiful and wise friend. |
| Tonga | A name meaning south or southern. |
| Tonks | Derived from a town or settlement. |
| Torque | A force that causes an object rotate. |
| Tours | Derived from the city in France. |
| Toveani | A name of Italian origin meaning. |
| Townshend | One who lives near the town end. |
| Trail | A path worn through the wilderness. |
| Trata | A name meaning a small negotiation. |
| Tratak | A yogic practice of steady gazing. |
| Trathan | A name meaning a rocky settlement. |
| Trati | A name meaning a small movement. |
| Tratika | A name meaning a focused vision. |
| Triumph | A great victory or achievement. |
| Truffe | A fragrant edible underground fungus. |
| Trumpet | A loud brass musical wind instrument. |
| Tsukasa | One who manages or oversees affairs. |
| Tsuki | The Japanese word for the moon. |
| Tuk | A short form of the name Tucker. |
| Tullio | Derived from the Roman name Tullius. |
| Turangi | A place standing for the high chief. |
| Turin | A city located in northern Italy. |
| Turing | Named after mathematician Alan Turing. |