- Y ... Yaguana
- Yah Mo B There ... Yale School
- Yale School of Drama ... yamato-goto
- Yamato-Kōriyama ... Yang Yen
- Yang Ying ... Yao Ming
- yao pien ... Yasen
- Yasgur, Max ... Yazd-e Khvāst
- Yazdani ... Yeats: The Man and the Masks
- Yecla ... yellow gram
- yellow granadilla ... yellow-legged spoonbill
- yellow-legged tinamou ... Yenişehir
- Yenisei River ... Yeti Su
- Yetl ... Yiheyuan
- yihua ... yo
- yō ... Yomou
- Yomud carpet ... Yorkie
- Yorkino ... You Don’t Mess with the Zohan
- You Get So Alone at Times That It Just Makes Sense ... Young Man with a Horn
- Young Man With Cap and Gloves ... Younger
- Younger brothers ... Ysaÿe, Eugène
- Ysengrim ... Yucca gloriosa
- Yucca House National Monument ... Yukon–Charley Rivers National Preserve
- Yukos ... Yurungkax River
- Yurupary ... Yzerman, Steve