| yacht | yacht |
| Yagi-Uda-antenne | Yagi |
| yak | yak |
| Yakima | Yakima |
| yakokse | yak |
| Yakuza | Yakuza |
| Yale | Università di Yale |
| Yama | Yama |
| Yamaha | Yamaha Corporation |
| Yamamoto Tsunetomo | Yamamoto Tsunetomo |
| Yamoussoukro | Yamoussoukro |
| yams | igname |
| Yangtze | fiume Azzurro |
| yankee | yankee |
| Yao Ming | Yao Ming |
| Yaoundé | Yaoundé |
| Yaracuy | Yaracuy |
| Yard | Iarda |
| Yaren | Yaren |
| Yaroslav Popovych | Yaroslav Popovych |
| Yasser Arafat | Yasser Arafat |
| Yasukuni helligdommen | Santuario Yasukuni |
| Yatzy | Yahtzee |
| Yavapai County | Contea di Yavapai |
| Yawl | YAWL |
| yde | rifornire |
| yderligere emballage | imballo eccessivo |
| ydre område | spazio esterno |
| Yeah Yeah Yeahs | Yeah Yeah Yeahs |
| Yehudi Menuhin | Yehudi Menuhin |
| Yellow Dog Linux | Yellow Dog |
| Yellowknife | Yellowknife |
| Yellowstone National Park | Parco nazionale di Yellowstone |
| Yemen | Yemen |
| Yemenkamæleon | Chamaeleonidae |
| Yen | Yen giapponese |
| Yeti | Yeti |
| Yggdrasil | Yggdrasill |
| Yin og yang | Yin e yang |
| Yitzhak Rabin | Yitzhak Rabin |
| Ymer | Ymir |
| yndig | delizioso |
| ynglefugle | uccello nidificante |
| Ynglingesaga | Saga degli Ynglingar |
| Yngre Edda | Edda in prosa |
| Yngre stenalder | Neolitico |
| Yoann Gourcuff | Yoann Gourcuff |
| Yobibyte | Yobibyte |
| Yochanan Vollach | Yochanan Vollach |
| Yoda | Yoda |
| Yoga | Yoga |
| Yoghurt | Yogurt |
| Yoko Ono | Yoko Ono |
| Yokohama | Yokohama |
| Yokozuna | Yokozuna |
| Yom Kippur | Yom Kippur |
| Yom Kippur-krigen | Guerra del Kippur |
| Yongle-encyklopædien | Enciclopedia Yongle |
| Yonne | Yonne |
| Yoper | Yoper |
| York | York |
| Yorkshireterrier | Yorkshire terrier |
| Yottabyte | Yottabyte |
| YouTube | YouTube |
| Yoyo | Yo-yo |
| Yoøurt | Yogurt |
| Ypsilon | Ypsilon |
| Ystad | Ystad |
| Ystads kommun | Ystad |
| ytre | dire |
| ytringsfrihed | libertà di parola |
| ytterbium | itterbio |
| yttrium | ittrio |
| Yuan-dynastiet | Dinastia Yuan |
| Yucatán | Yucatán |
| Yucatán-halvøen | Yucatán |
| Yukon | Yukon |
| Yukonfloden | Yukon |
| Yuma | Yuma |
| Yuma County | Contea di Yuma |
| Yunnan | Yunnan |
