- Tamanian, Alexander1
- Thatcher, Margaret1
- Timiriazev, Kliment1
- Tolstoy, Leo1
- Tsiolkovskii, Konstantin1
- Tupolev, Andrei1
- Urwich-Ferry, Johann1
- Ustinov, Dmitry1
- Vernadskii, Vladimir1
- Vlasov, Andrei Andreevich1
- Volkova, Zaria1
- Vrangelʹ, Petr Nikolaevich1
- Wallenberg, Raoul1
- Wałęsa, Lech1
- Witkiewicz family1
- Witkiewicz, Stanisław1
- Witkiewicz, Stanisław Ignacy1
- Wurmser, André1
- Yermash, Filip1
- Zaniewicki, Zbigniew1