Teis
- Tomb
- Thomson , Benjamin
- Thomson , Sir Charles Wyville
- Thomson , Sir George Paget
- Thomson , Sir Joseph John
- Thunberg , Carl Per
- Tinbergen
- Tinbergen , Nikolaas
- Ting
- Ting , Samuel Chao Chung
- Tiselius , Arne Wilhelm Kaurin
- Tizard , Sir Henry (Thomas)
- Todd , Alexander Robertus, Baron