The - Thom
- Theodore Beschefer
- Theodore Coelde
- Theodore I
- Theodore I, Pope
- Theodore II
- Theodore II, Pope
- Theodore J. van Den Broek
- Theodore James Ryken
- Theodore O'Hara
- Theodore of Amasea, Saint
- Theodore of Gaza
- Theodore of Mopsuestia
- Theodore of Studium
- Theodore of Studium, Saint
- Theodore William Achtermann
- Theodore, Archbishop of Canterbury
- Theodore, Bishop of Mopsuestia
- Theodore, Count von Scherer-Boccard
- Theodoret
- Theodoric (Thierry) of Chartres
- Theodoric the Great
- Theodoric Vrie
- Theodorich Canisius
- Theodorus and Theophanes, Saints
- Theodorus Lector
- Theodosiopolis
- Theodosius Florentini
- Theodosius I
- Theodotus of Ancyra, Saint
- Theodulf
- Theol.
- Theolia.
- Theological Aspects of the Avesta
- Theological Censures
- Theological Definition
- Theology of Christ (Christology)
- Theology, Ascetical
- Theology, Dogmatic
- Theology, History of Dogmatic
- Theology, Moral