Quaerere per praefixa
- Theophilus
- Theophilus (imperator)
- Theophilus Alajouanine
- Theophilus Antiochenus
- Theophilus Bader
- Theophilus Braga
- Theophilus Caires
- Theophilus Chatzemichael
- Theophilus Delcassé
- Theophilus Folengus
- Theophilus Gautier
- Theophilus Hansen
- Theophilus Homolle
- Theophilus III
- Theophilus Iulius Pelouze
- Theophilus Stevenson
- Theophilus van Rysselberghe