| y-axel | y-axis |
| Y-kromosom | Y chromosome |
| Y-Wing | Y-wing |
| Ya-Ya flickornas gudomliga hemligheter | Divine Secrets of the Ya-Ya Sisterhood |
| Yaakov Dori | Yaakov Dori |
| Yabasic | Yabasic |
| Yacc | Yacc |
| Yachad | Meretz-Yachad |
| yacht | yacht |
| Yael Dayan | Yael Dayan |
| Yaghnobi | Yaghnobi language |
| Yagiantenn | Yagi antenna |
| Yagyu Shingan Ryu | Yagyū Shingan-ryū |
| Yahoo! | Yahoo! |
| Yahya Jammeh | Yahya Jammeh |
| Yahya Muhammad Hamid ed-Din | Yahya Muhammad Hamid ed-Din |
| Yajurveda | Yajurveda |
| Yakiniku | Yakiniku |
| Yakitori | Yakitori |
| Yakovlev | Yakovlev |
| Yakushima | Yakushima |
| Yakuza | Yakuza |
| Yakuza Eiga | Yakuza film |
| Yale University | Yale University |
| Yalova | Yalova Province |
| Yalu | Yalu River |
| Yama | Yama |
| Yama-Uba | Yama-uba |
| Yamabushi | Yamabushi |
| Yamagata Aritomo | Yamagata Aritomo |
| Yamagata prefektur | Yamagata Prefecture |
| Yamaguchi prefektur | Yamaguchi Prefecture |
| Yamaha Bulldog | Yamaha Bulldog |
| Yamaha Corporation | Yamaha Corporation |
| Yamaha Motor Company | Yamaha Motor Company |
| Yamaha SRX | Yamaha SRX |
| Yamanaka Ino | Ino Yamanaka |
| Yamanashi prefektur | Yamanashi Prefecture |
| Yamato | Yamato |
| Yamato Takeru | Yamato Takeru |
| Yami | Yami |
| Yamoussoukro | Yamoussoukro |
| Yamuna | Yamuna |
| Yang Liwei | Yang Liwei |
| Yangchuanosaurus | Yangchuanosaurus |
| Yangju | Yangju |
| Yangpyeong | Yangpyeong |
| Yangsan | Yangsan |
| Yankee | Yankee |
| Yankee Doodle | Yankee Doodle |
| Yann Arthus-Bertrand | Yann Arthus-Bertrand |
| Yann Tiersen | Yann Tiersen |
| Yanni | Yanni |
| Yannick Dalmas | Yannick Dalmas |
| Yannick Noah | Yannick Noah |
| Yannis Goumas | Yannis Goumas |
| Yantra | Yantra |
| Yao | Yao |
| Yao Ming | Yao Ming |
| Yaoundé | Yaoundé |
| Yap | Yap |
| Yaphet Kotto | Yaphet Kotto |
| yard | yard |
| Yardena Arazi | Yardena Arazi |
| Yaren | Yaren |
| Yarkant | Yarkand County |
| Yarsanism | Ahl-e Haqq |
| Yasmina Khadra | Yasmina Khadra |
| Yasmine Bleeth | Yasmine Bleeth |
| Yasser Al Qahtani | Yasser Al-Qahtani |
| Yassir Arafat | Yasser Arafat |
| Yasuj | Yasuj |
| Yasukuni-templet | Yasukuni Shrine |
| Yasunari Kawabata | Yasunari Kawabata |
| Yasunori Mitsuda | Yasunori Mitsuda |
| Yasuo Fukuda | Yasuo Fukuda |
| Yatagan | Yatagan |
| Yatterman | Yatterman |
| Yatzy | Yahtzee |
| Yau Tsim Mong | Yau Tsim Mong District |
| Yavanna | Yavanna |
| Yaya Touré | Yaya Touré |
| Yayi Boni | Yayi Boni |
| Yayoi | Yayoi period |
| Yazd | Yazd Province |
| Yazdanism | Yazdanism |
| Yazid I | Yazid I |
| Yaël Abecassis | Yael Abecassis |
| Yaşar Kemal | Yaşar Kemal |
| ycka | affliction |
| Ydalir | Ydalir |
| Ydre kommun | Ydre Municipality |
| Yeah Yeah Yeahs | Yeah Yeah Yeahs |
| Yeardley Smith | Yeardley Smith |
| Yecheon | Yecheon |
| Yeghishe Charents | Yeghishe Charents |
| Yehudi Menuhin | Yehudi Menuhin |
| Yellow Dog | Yellow Dog Linux |
| Yellowstone nationalpark | Yellowstone National Park |
| Yellowstonefloden | Yellowstone River |
| Yemanjá | Yemaja |
| Yemen | Yemen |
| yen | yen |
| Yen Bai | Yen Bai Province |
| Yeoju | Yeoju |
| Yeoncheon | Yeoncheon County |
| Yeongam | Yeongam |
| Yeongcheon | Yeongcheon |
| Yeongdeok | Yeongdeok |
| Yeongdong | Yeongdong County |
| Yeonggwang | Yeonggwang |
| Yeongi | Yeongi County |
| Yeongju | Yeongju |
| Yeongyang | Yeongyang |
| Yeosu | Yeosu |
| Yeovil and District League | Yeovil and District League |
| Yerkesobservatoriet | Yerkes Observatory |
| Yerres | Yerres |
| Yesan | Yesan |
| Yesüchej | Yesugei |
| Yeti | Yeti |
| Yewá | Egbado |
| Yggdrasil | Yggdrasil |
| Yi Hwang | Yi Hwang |
| Yi I | Yi I |
| Yi-språken | Yi language |
| Yie Ar Kung-Fu | Yie Ar Kung-Fu |
| Yig | Great Old One compendium |
| Yigael Yadin | Yigael Yadin |
| Yigal Amir | Yigal Amir |
| Yima | Jamshid |
| Yipsi Moreno | Yipsi Moreno |
| Yisrael Beytenu | Yisrael Beiteinu |
| Yitzak Mordechai | Yitzhak Mordechai |
| Yitzhak Ben-Zvi | Yitzhak Ben-Zvi |
| Yitzhak Navon | Yitzhak Navon |
| Yitzhak Rabin | Yitzhak Rabin |
| Yitzhak Shamir | Yitzhak Shamir |
| YKK | YKK Group |
| yla | whine |
| ylande | howl |
