- Takanobu UshiyamaCitizenship: JapanBorn: January 14, 1967
- Takeichi MasamuraCitizenship: JapanBorn: September 5, 1906
- Tamotsu AriyoshiCitizenship: JapanBorn: August 1927
- Tatchi GaunCitizenship: Tokugawa shogunateBorn: September 19, 1842
- Theodore John Dimitry Jr.Citizenship: United StatesBorn: June 26, 1879
- Thomas SaintCitizenship: United KingdomBorn: 1800
- Thorvald N. ThieleCitizenship: Kingdom of DenmarkBorn: December 24, 1838
- Tibor CsörgeiCitizenship: SlovakiaBorn: 1972
- Tommaso ToffoliCitizenship: ItalyBorn: 1943
- Toshiko OkamotoCitizenship: JapanBorn: 1926
- Toshiro NomuraCitizenship: JapanBorn: 1954
- Tsuboi ShōgorōCitizenship: JapanBorn: February 22, 1863
- Tsuruhiko KiuchiCitizenship: JapanBorn: June 4, 1954