Encyclopedias, Almanacs, Transcripts, and Maps
- Yard, Mary Alexander (“Molly”)
- Yardley, George Harry III (“The Bird”)
- Yarmuk River
- Yarmuk University
- Yastrzemski, Carl Michael, Jr.
- Yastrzemski, Carl Michael, Jr.
- Yataity Corã, Conference of
- Yates, Richard Waiden
- Yavapai
- Yawalapití
- Yaxchilán
- Yazidis
- Ybycuí
- Ydígoras Fuentes, Miguel (1895–1982)
- Yegros, Fulgencio (1780–1821)
- Yekuana
- Yemen Civil War
- Yemen Dynasties
- Yemen Hunt Oil Company
- Yemeni Socialist Party