Y
- Yacht racingSport involving sailing yachts and larger sailboats
- Yakoma, Democratic Republic of the CongoYakoma is a town in the Nord-Ubangi province of the Democratic Republic of the Congo (DRC)
- YaltaCity on the southern Crimean Peninsula
- YamunaRiver in India
- YangtzeLongest river in Asia
- Yele Mallappa Shetty LakeBody of water in Bangalore
- Yellow RiverMajor river in China
- Yellow SeaSea in northeast Asia between China and Korea
- Yellowstone National ParkNational park in the western United States
- Yellowstone National Park Protection ActThe Yellowstone National Park Protection Act was a law passed by the 42nd US Congress and
- YeniseiFifth-longest river in the world
- Yosemite National ParkNational park in California, United States
- Yosemite ValleyGlacial valley in California, United States
- Yucatán PeninsulaPeninsula in North America
- Yukon RiverMajor watercourse in northwestern North America
- Yukon–Kuskokwim DeltaThe Yukon–Kuskokwim Delta is a river delta located where the Yukon and Kuskokwim rivers em
- Yunnan–Guizhou PlateauHighland region located in southwest China