- Y ... Yaghmā
- Yaghmurāsan ... Yakuza, The
- Yala ... Yamashita, Yasuhiro
- Yamatai ... Yang Shen
- Yang Shui ... Yanshi
- Yantai ... Yarqon River
- Yarra River ... Yawata Iron & Steel Co., Ltd.
- Yawata Iron and Steel Works ... Yearbook of Intermediate Sexual Types
- Yeardley, George ... yellow calla lily
- yellow cedar ... yellow-backed duiker
- yellow-bellied sapsucker ... yen
- Yen Bai uprising ... Yes Man
- Yes, Giorgio ... Yick Wo v. Hopkins
- Yiddish Alps ... Yixin
- Yixing ware ... Yokoyama Taikan
- Yokozuna ... York
- York and Albany, Frederick Augustus, duke of ... Yost, Fielding
- Yost, Fielding Harris ... Young Americans for Freedom
- Young and Innocent ... Young, Andrew
- Young, Andrew Jackson, Jr. ... Your Place or Mine
- Your Radio Playhouse ... Yu Hill
- Yu Jiang ... Yüeh ware
- yüeh-ch’in ... Yume ni tsuite
- Yume no shima ... Yusuf ibn Ziri
- Yūsuf Sayfā ... Yzerman, Steve
