Encyclopedias, Almanacs, Transcripts, and Maps
- Hypatia (c. 375–415)
- Iaia (fl. c. 100 BCE)
- Ibarbourou, Juana de (1895–1979)
- Ibárruri, Dolores (1895–1989)
- Ichikawa Fusae (1893–1981)
- Ickes, Anna Thompson (1873–1935)
- Ida de Macon (d. 1224)
- Ida of Austria (d. 1101?)
- Ida of Lorraine (1040–1113)
- Ida of Louvain (d. 1260)
- Ida of Lower Lorraine (d. 1162)
- Ida of Namur
- Ida of Nivelles (597–652)
- Ida of Nivelles (d. 1232)
- Ida of Saxe-Coburg-Meiningen (1794–1852)
- Ida of Schaumburg-Lippe (1852–1891)
- Ida of Swabia (d. 986)
- Ida Plantagenet (fl. 1175)
- Idar, Jovita (1885–1946)
- Ide d'Alsace (c. 1161–1216)