Encyclopedias, Almanacs, Transcripts, and Maps
- Isabella of Buchan (fl. 1290–1310)
- Isabella of Croy-Dulmen (1856–1931)
- Isabella of Cyprus (fl. 1230s)
- Isabella of Cyprus (fl. 1250s)
- Isabella of England (1214–1241)
- Isabella of France (1296–1358)
- Isabella of Guise (1900—)
- Isabella of Hainault (1170–1190)
- Isabella of Mar (d. 1296)
- Isabella of Orleans (b. 1878)
- Isabella of Orleans (b. 1911)
- Isabella of Parma (1741–1763)
- Isabella of Poland (1519–1559)
- Isabella of Portugal (1397–1471)
- Isabella of Portugal (1503–1539)
- Isabella of Valois (1389–c. 1410)
- Isabelle (1225–1270)
- Isabelle of Cornwall
- Isabelle of France (1349–1372)
- Isabelle of Lorraine (1410–1453)