| Yakuza | Yakuza |
| Yale | Yale University |
| Yalelås | Pin tumbler lock |
| Yama | Yama |
| Yamaha | Yamaha Corporation |
| Yamamoto Tsunetomo | Yamamoto Tsunetomo |
| Yamoussoukro | Yamoussoukro |
| yams | yam |
| Yams-ordenen | Dioscoreales |
| Yamuna | Yamuna |
| Yang di-Pertuan Agong | Yang di-Pertuan Agong |
| Yangtze | Yangtze |
| Yanis Kanidis | Yanis Kanidis |
| Yann Arthus-Bertrand | Yann Arthus-Bertrand |
| Yao Ming | Yao Ming |
| Yaoundé | Yaoundé |
| Yaracuy | Yaracuy |
| Yard | Yard |
| Yaren | Yaren |
| Yaroslav Popovych | Yaroslav Popovych |
| Yashar Kemal | Yaşar Kemal |
| Yasser Arafat | Yasser Arafat |
| Yasukuni helligdommen | Yasukuni Shrine |
| Yatzy | Yahtzee |
| Yauzafloden | Yauza River |
| Yaw damper | Yaw damper |
| Yaæt | Yatcht |
| Ydale | Ydalir |
| yderligere emballage | additional packaging |
| ydre område | outer space |
| Yeah Yeah Yeahs | Yeah Yeah Yeahs |
| Yehudi Menuhin | Yehudi Menuhin |
| Yellow Dog Linux | Yellow Dog Linux |
| Yellowstone National Park | Yellowstone National Park |
| Yellowstonefloden | Yellowstone River |
| Yemen | Yemen |
| Yemenkamæleon | Veiled Chameleon |
| Yen | Japanese yen |
| Yeti | Yeti |
| Yevgeny Sladkov | Evgeniy Sladkov |
| Yggdrasil | Yggdrasil |
| Yitzhak Ben-Zvi | Yitzhak Ben-Zvi |
| Yitzhak Rabin | Yitzhak Rabin |
| Yixian-formationen | Yixian Formation |
| YKK | YKK Group |
| Ymer | Ymir |
| yndig | delicious |
| ynglefugle | breeding bird |
| Ynglingesaga | Ynglinga saga |
| Yngre Edda | Prose Edda |
| Yngre stenalder | Neolithic |
| Yoann Gourcuff | Yoann Gourcuff |
| Yochanan Vollach | Yochanan Vollach |
| Yoda | Yoda |
| Yoga | Yoga |
| Yoghurt | Yogurt |
| Yoko Ono | Yoko Ono |
| Yokohama | Yokohama |
| Yoldiahavet | Yoldia Sea |
| Yom Kippur | Yom Kippur |
| Yom Kippur-krigen | Yom Kippur War |
| Yone Minagawa | Yone Minagawa |
| Yongle-encyklopædien | Yongle Encyclopedia |
| Yonne | Yonne |
| Yoper | YOPER |
| York | York |
| York Minster | York Minster |
| Yorkshire | Yorkshire |
| Yorkshireterrier | Yorkshire Terrier |
| You are the Quarry | You Are the Quarry |
| You Only Live Twice | You Only Live Twice |
| Youth for Understanding | Youth For Understanding |
| YouTube | YouTube |
| Yoyo | Yo-yo |
| Yoøurt | Yoghurt |
| yppig | voluptuous |
| Ypsilon | Upsilon |
| Ystad | Ystad Municipality |
| Ystads kommun | Ystad Municipality |
| ytringsfrihed | freedom of speech |
| ytterbium | ytterbium |
| yttrium | yttrium |
| Yuan-dynastiet | Yuan Dynasty |
| Yucatán | Yucatán |
| Yucatán-halvøen | Yucatán |
| Yukon | Yukon |
| Yukonfloden | Yukon River |
| Yunnan | Yunnan |
| Yuppie | Yuppie |
| Yuri Dolgoruki | Yuri Dolgoruki |
