| Yeah Yeah Yeahs | Yeah Yeah Yeahs |
| Year Zero Remixed | Year Zero Remixed |
| Yeardley Smith | Yeardley Smith |
| yearling | yearling |
| yechiva | yeshiva |
| Yediot Aharonot | Yedioth Ahronoth |
| Yehiel De-Nur | Yehiel De-Nur |
| Yehuda Amichaï | Yehuda Amichai |
| Yehudi Menuhin | Yehudi Menuhin |
| Yekaterina Abramova | Yekaterina Abramova |
| Yekaterina Lobysheva | Yekaterina Lobysheva |
| Yekaterina Podkopayeva | Yekaterina Podkopayeva |
| Yekaterina Volkova | Yekaterina Volkova |
| Yekouno Amlak | Yekuno Amlak of Ethiopia |
| Yelena Isinbayeva | Yelena Isinbayeva |
| Yelena Prokhorova | Yelena Prokhorova |
| Yelena Romanova | Yelena Romanova |
| Yelena Slesarenko | Yelena Slesarenko |
| Yelena Soboleva | Yelena Soboleva |
| Yelena Yelesina | Yelena Yelesina |
| Yelena Zhupiyeva | Yelena Zhupiyeva-Vyazova |
| Yellow Dog Linux | Yellow Dog Linux |
| Yellow Submarine | Yellow Submarine |
| Yellowknife River | Yellowknife |
| Yellowstone | Yellowstone River |
| Yellowstone Caldera | Yellowstone Caldera |
| Yelü Abaoji | Emperor Taizu of Liao |
| Yemen | Yemen |
| yen | yen |
| Yenikoy | Yenikoy |
| Yeom Ki-Hoon | Yeom Ki-Hun |
| Yeongcheon | Yeongcheon |
| Yeongdeungpo-gu | Yeongdeungpo-gu |
| Yeongju | Yeongju |
| Yeosu | Yeosu |
| Yerba Buena Island | Yerba Buena Island |
| Yerba maté | Yerba mate |
| Yermak Timofeyevitch | Yermak Timofeyevich |
| Yerres | Yerres |
| Yersinia | Yersinia |
| Yerupajá | Yerupajá |
| Yervand Zakarian | Yervand Zakharyan |
| Yeshayahou Leibowitz | Yeshayahu Leibowitz |
| Yeshe Dorje | Yeshe Dorje |
| Yeshe Tsogyal | Yeshe Tsogyal |
| Yesshows | Drama |
| Yesterday Went Too Soon | Yesterday Went Too Soon |
| Yesügei | Yesugei |
| Yet Another Perl Conference | Yet Another Perl Conference |
| Yetisports | Yetisports |
| yeux | eye |
| yeux grand ouverts | wide eyes |
| yeux grands ouverts | wide eyes |
| yeux ouverts | open-eyed |
| yeux écarquillés | wide eyes |
| Yevgeny Belyaev | Yevgeny Belyayev |
| Yevgeny Khaldei | Yevgeny Khaldei |
| Yevgeny Khrunov | Yevgeny Khrunov |
| Yevgeny Sadovyi | Yevgeny Sadovyi |
| Yeóryios Karaïskákis | Georgios Karaiskakis |
| Yeóryios Papandréou | George Papandreou |
| Yeóryos Papadópoulos | Georgios Papadopoulos |
| Yeóryos Roubánis | Georgios Roubanis |
| Yeóryos Samarás | Georgios Samaras |
| Yeşilırmak | Yeşil River |
| Ygal Allon | Yigal Allon |
| Ygal Amir | Yigal Amir |
| Yggdrasil | Yggdrasil |
| Ygraine | Igraine |
| YHWH | Jehovah |
| Yi Jing | I Ching |
| Yi Munyŏl | Yi Munyol |
| Yi So-yeon | Yi So-yeon |
| Yi Sun-sin | Yi Sun-sin |
| Yi Xing | Yi Xing |
| Yiannakis Okkas | Ioannis Okkas |
| Yibin | Yibin |
| Yichang | Yichang |
| Yichouv | Yishuv |
| Yidam | Yidam |
| yiddish | Yiddish |
| Yie Ar Kung-Fu | Yie Ar Kung-Fu |
| yiffy | yiffy |
| Yigael Yadin | Yigael Yadin |
| Yigal Carmon | Middle East Media Research Institute |
| Yin Xu | Yinxu |
| yin-yang | yin-yang |
| Yine Sensiz | Yine Sensiz |
| Yingtan | Yingtan |
| Yingzhaoquan | Eagle Claw |
| Yining | Yining |
| Yip Man | Yip Man |
| Yipsi Moreno | Yipsi Moreno |
| Yitzhak Ben-Zvi | Yitzhak Ben-Zvi |
| Yitzhak Hofi | Yitzhak Hofi |
| Yitzhak Navon | Yitzhak Navon |
| Yitzhak Rabin | Yitzhak Rabin |
| Yitzhak Shamir | Yitzhak Shamir |
| Yitzhak Zuckerman | Icchak Cukierman |
| Yiwu | Yiwu |
| Yixing | Yixing |
| Yiyuan | Yiyuan |
| YKK | YKK Group |
| YLE | YLE |
| Yli-Ii | Yli-Ii |
| Ylikiiminki | Ylikiiminki |
| Ylitornio | Ylitornio |
| ylure | ylide |
| ylure d'ammonium | amine ylide |
| Ylämaa | Ylämaa |
| Yma Sumac | Yma Súmac |
| Ymir | Ymir |
| Ymodem | YMODEM |
| Ynglingar | Yngling |
| Yngwie Malmsteen | Yngwie Malmsteen |
| yo-yo | yo-yo |
| Yo-Yo Ma | Yo-Yo Ma |
| Yoachaz | Jehoahaz of Judah |
| Yoandri Betanzos | Yoandri Betanzos |
| Yoann Gourcuff | Yoann Gourcuff |
| Yochanan Vollach | Yochanan Vollach |
| yoctoampère | yoctoampere |
| yoctomètre | yoctometre |
| Yod | Yod |
| Yoda | Yoda |
| yodel | yodel |
| Yog-Sothoth | Yog-Sothoth |
| yoga | yoga |
| Yoga intégral | Integral yoga |
| Yoga Iyengar | Iyengar Yoga |
| Yoga surat shabda | Surat Shabd Yoga |
| Yoga Sutras | Yoga Sutras of Patanjali |
| Yogh | Yogh |
| yoghourt | yoghurt |
| yogi | yogi |
| Yogi Bhajan | Harbhajan Singh Yogi |
| yogique | yogic |
| yogourt | yoghurt |
| Yogurt | Yogurt |
| Yogyakarta | Yogyakarta |
| Yohanan ben Zakkaï | Yochanan ben Zakai |
| Yohann Diniz | Yohann Diniz |
| Yohimbine | Yohimbine |
| Yohji Yamamoto | Yohji Yamamoto |
| Yohoia tenuis | Yohoia |
| Yoichi Doi | Yoichi Doi |
| Yoigo | Yoigo |
| Yoisme | Open source religion |
| Yoji Shinkawa | Yoji Shinkawa |
| Yoji Yamada | Yoji Yamada |
| Yokaï | Yōkai |
| Yoknapatawpha | Yoknapatawpha County |
| Yoko Matsugane | Yoko Matsugane |
| Yokohama | Yokohama |
| Yokohama Kaidashi Kikō | Yokohama Kaidashi Kikō |
| Yokohama Rubber Company | Yokohama Rubber Company |
| Yokota Air Base | Yokota Air Base |
| Yokozuna | Yokozuna |
| Yoktan | Joktan |
| Yokébed | Jochebed |
| Yola Ramírez Ochoa | Yola Ramírez |
| Yolande | Yolanda |
| Yolande de Bourgogne | Yolande of Burgundy |
| Yolande de France | Yolande of Valois |
| Yolande de Hainaut | Yolanda of Flanders |
| Yolande de Montfort | Yolande de Dreux |
| yole | yawl |
| Yole OK | OK |
| Yom HaShoah | Yom HaShoah |
| Yom Hazikaron | Yom Hazikaron |
| Yom Kippour | Yom Kippur |
| Yom Yeroushalayim | Yom Yerushalayim |
| Yomiuri Giants | Yomiuri Giants |
| Yomiuri Shinbun | Yomiuri Shimbun |
| Yona Gerondi | Yonah Gerondi |
| Yone Minagawa | Yone Minagawa |
| Yongbyon | Yongbyon Nuclear Scientific Research Center |
| Yongin | Yongin |
| Yongning | Yongning |
| Yongping | Yongping |
| Yongsan-gu | Yongsan-gu |
| Yongzheng | Yongzheng Emperor |
| yoni | yoni |
| Yonkoma | Yonkoma |
| Yonne | Yonne |
| Yoon Jeong Cho | Cho Yoon-jeong |
| Yopal | Yopal |
| Yoper | YOPER |
| Yopo | Anadenanthera peregrina |
| Yoqneam | Yokneam |
| Yordan Letchkov | Yordan Letchkov |
| Yordan Raditchkov | Yordan Radichkov |
| Yordanka Donkova | Yordanka Donkova |
| Yorishige Uesugi | Uesugi Yorishige |
| Yoritsune Kujō | Kujō Yoritsune |
| York | York |
| Yorklyn | Yorklyn |
| Yorkshire | Yorkshire |
| Yorkshire du Nord | North Yorkshire |
| Yorkshire du Sud | South Yorkshire |
| Yorkshire et Humber | Yorkshire and the Humber |
| Yorkshire pudding | Yorkshire pudding |
| Yorkshire Terrier | Yorkshire Terrier |
| yoruba | Yoruba |
| Yos Sudarso | Yos Sudarso Island |
| Yosef Klausner | Joseph Klausner |
| Yoseikan Budo | Yoseikan Budo |
| Yosemite Falls | Yosemite Falls |
| Yoshiaki Ashikaga | Ashikaga Yoshiaki |
| Yoshiakira Ashikaga | Ashikaga Yoshiakira |
| Yoshida Kenko | Yoshida Kenkō |
| Yoshida Kenkō | Yoshida Kenkō |
| Yoshida Tatsuya | Tatsuya Yoshida |
| Yoshie Takeshita | Yoshie Takeshita |
| Yoshifumi Kondō | Yoshifumi Kondō |
| Yoshiharu Ashikaga | Ashikaga Yoshiharu |
| Yoshihide Ashikaga | Ashikaga Yoshihide |
