- Diocletian, Emperor of Rome, 245-3131
- Dionysius, the Areopagite, Saint, active 1st century1
- Disciples1
- Diseases--Treatment1
- Dispute resolution (Law)1
- Dissenters, Religious1
- Divination--Religious aspects1
- Divinity of Christ1
- Divorce (Karaite law)1
- Dodoens, Rembert, 1517-15851
- Dolfi, Dolfo1
- Dolfi, Domenico1
- Domenico, Biagio di1
- Domenico, Giovanni di1
- Domestic animals--Religious aspects--Hinduism1
- Domestic relations (Jewish law)1
- Domestic space1
- Domitian, Emperor of Rome, 51-961
- Domus Misericordie (Siena, Italy)1
- Donati, Verdiano1