- Theta
- Theta
- Theta 1 Crucis
- Theta 1 Sagittarii
- Theta 2 Crucis
- Theta (Herausgeber)
- Theta aquarii
- Theta Aquilae
- Theta Aquilae
- Theta arae
- Theta Bootis
- Theta cancri
- Theta Canis Majoris
- Theta Capricorni
- Theta carinae
- Theta Cassiopeiae
- Theta Centauri
- Theta ceti
- Theta columbae
- Theta Delta Chi
- Theta draconis
- Theta eridani
- Theta Gruis
- Theta Herculis
- Theta-Hydrae
- Theta leonis
- Theta librae
- Theta Muscae
- Theta Ophiuchi
- Theta Pegasi
- Theta persei
- Theta sagittae
- Theta-Skorpion
- Theta-Serpentis
- Theta Tau
- Theta Tauri
- Theta Ursae Majoris
- Theta Ursae Minoris
- Theta virginis
- Das Taxi
- Thetford
- Thetford
- Thetford-Minen
- Thetis
- Thetis regio
- Thetkegyin