Parentless Concepts
- entertainment
- Treterin
- Trevinnius, Melchior
- Trier
- Tripolis
- Trippetta, Marx
- Trnava
- Tübingen
- Tungus
- Turkestan
- Tycho Brahe's heirs
- Tyrnau
- Überling, Wilhelm
- Ulloa, Alfonso de
- Ulm
- Ulm, Hans Ludwig von
- Ungelter, Ursula
- Unidentified place
- University of Vienna
- University Library in Vienna
- Uppasala
- Upper Austria
- Urban Prebusinus