- Tsujii Takashi
- Tsuji Masatsugu
- Tsuji Trost reaction
- Tsuji-Trost reaction
- Tsukamoto Zenryu
- Tsukasa Hojo
- Tsu Keng principle
- Tsukiji Little Theatre
- Tsukiji typeface
- Tsukuba
- Tsumeb
- Tsumiki no ie
- T-summable series
- tsunami
- tsunami disaster
- tsunami monitoring technology
- Tsuredsuregusa
- Tsuruta Soichiro
- Tsuruya Namboku IV
- Tsushima
- Tsushima current
- Tsushima-kaikyō
- Tsu-shou Sung
- tsutsugamushi disease
- Tsutsui Yasutaka