Author
- David Crychton1
- De Lazara, Nicoló1
- Denis Faucher1
- Dieudonné Cabanier1
- Diogenes Laërtius1
- Diogenes of Sinope1
- Domenico Cavalca1
- Domenico Taparelli1
- Domingo de Ara1
- Dominican Order1
- Donato Acciaioli1
- Duchy of Milan1
- Duchy of Parma and Piacenza1
- Durandellus1
- Eadmer1
- Edmund Spenser1
- Edmund de Dronfeld1
- Edmund of Abingdon1
- Edward Foxe1
- Edward III of England1