- Y ... Yafo
- Yagan, Sam ... Yakut A. S. S. R.
- Yakut language ... Yamantau, Mount
- Yamasaki, Minoru ... Yang Hucheng
- Yang Hui ... Yankton
- Yanluo Wang ... Yarmuk, Nahar Ha-
- Yarmūk, Nahr Al- ... Yavlinsky, Grigory
- Yavne ... Year of Last Things, A
- Year of Living Dangerously, The ... yellow asphodel
- Yellow Back Radio Broke-Down ... yellow sundew
- yellow surgeon ... Yemen Bank of Reconstruction and Development
- Yemen Gate ... Yersin, Alexandre-John-Émile
- Yersinia ... Yi qi
- Yi Saek ... Yingzao fashi
- Yingzikou ... Yoi
- Yoido Full Gospel Church ... Yonne
- Yonne River ... Yoshida Kenkō
- Yoshida Shigeru ... You’ve Earned It, Don’t Lose It
- You’ve Got a Friend ... Young Rock
- Young Roscius, The ... Youngman, Henry
- Youngstown ... Ysengrimus
- Yser River ... Yucca House National Monument
- Yucca jaegeriana ... Yukon Territory
- Yukon, flag of ... yurt
- yurta ... Yzerman, Steve
