| Y chromosome | Y-chromosoom |
| Y tu mamá también | Y tu mamá también |
| y'all | jullie |
| Y-chromosomal Adam | Y-chromosomale Adam |
| Y-Δ transform | Ster-driehoektransformatie |
| Ya-Seen | Soera Ya Sin |
| Yaacov Agam | Yaacov Agam |
| Yaakov Dori | Yaakov Dori |
| Yaakov Turner | Yaacov Turner |
| Yabasic | Yabasic |
| Yabloko | Jabloko |
| Yablonoi Mountains | Jablonovygebergte |
| Yablonovy Mountains | Jablonovygebergte |
| Yacare Caiman | Yacarekaaiman |
| Yacc | Yacc |
| Yachad | Meretz-Yachad |
| yacht | jacht |
| yachting | zeilen |
| yachtsman | zeiler |
| yachtswoman | zeilster |
| Yacuma Province | Yacuma |
| Yacuíba | Yacuiba |
| Yacyretá Dam | Yacyretádam |
| Yad | Jad |
| Yad Vashem | Yad Vashem |
| Yadrin | Jadrin |
| Yael | Yael |
| Yaeyama Islands | Yaeyama-eilanden |
| Yaghan | Yahgan |
| Yaghnobi language | Yaghnobi |
| Yagi antenna | Yagi-antenne |
| Yahtzee | Yahtzee |
| Yahweh | JHWH |
| Yahya Ayyash | Yahya Ayyash |
| yak | getater |
| Yakama | Yakima |
| Yakov Sverdlov | Jakov Sverdlov |
| Yaksha | Yaksha |
| Yakubu Aiyegbeni | Yakubu Aiyegbeni |
| Yakut | Jakoets |
| Yakutia | Jakoetië |
| Yakutia Airlines | Yakutia Airlines |
| Yakuts | Jakoeten |
| Yakutsk | Jakoetsk |
| Yakutsk State University | Staatsuniversiteit van Jakoetsk |
| Yakuza | Yakuza |
| Yala Province | Changwat Yala |
| Yale | Yale |
| Yale Romanization | Yale |
| Yale University | Yale-universiteit |
| Yalova Province | Yalova |
| Yalta | Jalta |
| Yalta Conference | Conferentie van Jalta |
| yam | bataat |
| Yama | Yama |
| Yamaceratops | Yamaceratops |
| Yamagata | Yamagata |
| Yamagata Prefecture | Yamagata |
| Yamaguchi | Yamaguchi |
| Yamaguchi Prefecture | Yamaguchi |
| Yamaha Corporation | Yamaha Corporation |
| Yamaha Motor Company | Yamaha |
| Yamaha V-Max | Yamaha V-Max |
| Yamal | Yamal |
| Yamal Airlines | Yamal Airlines |
