Tomb - Van
- Tombaugh
- Tombaugh , Clyde William
- Tomonaga
- Tomonaga , Sin-Itiro
- Tonegawa , Susumu
- Torricelli , Evangelista
- Townes
- Townes , Charles Hard
- Townsend , Sir John Sealy Edward
- Trembley , Abraham
- Trumpler , Robert Julius
- Tsui
- Tsui , Daniel C.
- Tsui , Lap-Chee