- Domenico, Giovanni di1
- Dominical letters1
- Dominikanerinnenkloster Heilig Kreuz Regensburg1
- Domitian, Emperor of Rome, 51-961
- Domus Misericordie (Siena, Italy)1
- Donati, Verdiano1
- Doti, Domenico1
- Double bands1
- Double cords1
- Dowry (Roman law)1
- Dream interpretation1
- Drycthelm, monk of Northumbria, active 7th century1
- Dudley family1
- Dulaert, Johannes1
- Durandus, of Saint-Pourçain, Bishop of Meaux, approximately 1275-13341
- Duti, Gaspare1
- Duti, Pratese1
- Duti, Sessa1
- Dyes and dyeing1
- Dynamics1