| yay | hurra |
| Yaya Touré | Yaya Touré |
| Yayi Boni | Yayi Boni |
| Yayoi period | Era Yayoi |
| Yazd | Yazd |
| Yazd Province | Provincia de Yazd |
| Yazdegerd I | Yezdegard I |
| Yazdegerd II | Yezdegard II |
| Yazdgerd III | Yazdgerd III |
| Yazid II | Yazid II |
| Yazid III | Yazid III |
| Yazid of Morocco | Al-Yazid de Marruecos |
| Yazidi | Yazidismo |
| Yazoo River | Río Yazoo |
| Yazoo tribe | Tribu yazoo |
| Yağlı güreş | Yagli |
| Yaşar Kemal | Yaşar Kemal |
| Yb | Iterbio |
| yea | voto a favor |
| yeah | sí |
| Yeah Yeah Yeahs | Yeah Yeah Yeahs |
| year | fecha |
| year of construction | año de producción |
| year of manufacture | año de producción |
| Year of the Dragon | Year Of The Dragon |
| Year of the Five Emperors | Año de los cinco emperadores |
| Year of the Four Emperors | Año de los cuatro emperadores |
| Year of Three Popes | Año de los tres Papas |
| Year zero | Año cero |
| yearbook | anales |
| Yeardley Smith | Yeardley Smith |
| yearling | potro de un año |
| yearlong | que dura un año |
| yearly | anualmente |
| yearn | anhelar |
| yearn for | anhelar |
| yearning | afanoso |
| Years of Lead | Años de plomo |
| Years of the Lamps | Edades de las Lámparas |
| Years of the Sun | Edades del Sol |
| Years of the Trees | Edades de los Árboles |
| yeast | hez |
| Yeast artificial chromosome | Cromosoma artificial de levadura |
| Yeast Artificial Chromosomes | Levadura |
| Yeast infection | Mycosis |
| Yechiel of Paris | Jehiel de París |
| Yedioth Ahronoth | Yedioth Ahronoth |
| Yedisan | Yedisán |
| Yegeny Zamyatin | Evgeny Zamiatin |
| yegg | golondrino |
| Yeghegnadzor | Yeghegnadzor |
| Yegor Ivanovich Zolotarev | Yegor Ivanovich Zolotarev |
| Yegor Titov | Oleg Salenko |
| Yehud | Yehud |
| Yehuda Amichai | Yehuda Amijai |
| Yehuda Halevi | Yehuda Haleví |
| Yehudi Menuhin | Yehudi Menuhin |
| Yeidckol Polevnsky Gurwitz | Yeidckol Polevnsky |
| Yekaterinburg | Ekaterimburgo |
| Yekaterinodar | Krasnodar |
| Yelena Isinbayeva | Elena Isinbayeva |
| Yelena Romanova | Yelena Romanova |
| Yelena Slesarenko | Yelena Slesarenko |
| Yelena Yelesina | Yelena Yelesina |
| yell | llamar |
| yelling | griterío |
| yellow | amarillo |
| Yellow anaconda | Eunectes notaeus |
| Yellow Baboon | Papio cynocephalus |
| yellow card | tarjeta amarilla |
| Yellow crazy ant | Anoplolepis gracilipes |
| yellow dog contract | contrato |
| Yellow Dog Linux | Yellow Dog |
| Yellow Emperor | Emperador Amarillo |
| yellow fever | fiebre amarilla |
| yellow flag | lirio amarillo |
| yellow iris | lirio amarillo |
| Yellow Pages | páginas amarillas |
| yellow peril | peligro amarillo |
| yellow press | prensa amarilla |
| Yellow River | Río Amarillo |
| Yellow Sea | Mar Amarillo |
| Yellow-backed Duiker | Cephalophus silvicultor |
| Yellow-banded Poison Dart | Dendrobates leucomelas |
| Yellow-bellied Marmot | Marmota flaviventris |
| Yellow-billed Cardinal | Paroaria capitata |
| Yellow-billed chough | Pyrrhocorax graculus |
| Yellow-billed Duck | Anas undulata |
| yellow-billed loon | colimbo |
| Yellow-billed Pintail | Anas georgica |
| Yellow-billed Spoonbill | Platalea flavipes |
| Yellow-crested Cockatoo | Cacatua sulphurea |
| yellow-eyed penguin | pingüino ojigualdo |
| Yellow-footed Antechinus | Antechinus flavipes |
| Yellow-hammer | Emberiza citrinella |
| Yellow-headed Caracara | Milvago chimachima |
| Yellow-shouldered Amazon | Amazona barbadensis |
| Yellow-spotted river turtle | Podocnemis unifilis |
| Yellow-tailed Black Cockatoo | Calyptorhynchus funereus |
| Yellow-wattled Lapwing | Vanellus malabaricus |
| yellowfin tuna | atún de aleta amarilla |
| yellowish | amarillento |
| Yellowjacket | Chaqueta amarilla |
| Yellowknife | Yellowknife |
| Yellowknife River | Yellowknife |
| Yellowstone Lake | Río Yellowstone |
| Yellowstone National Park | Parque Nacional Yellowstone |
| Yellowstone River | Río Yellowstone |
| Yellowtail barracuda | Sphyraena flavicauda |
| Yelnya | Ielnia |
| Yelnya Offensive | Ofensiva de Yelnia |
| yelp | aullido |
| Yemaja | Yemayá |
| Yemelyan Pugachev | Yemelián Ivánovich Pugachev |
| Yemen | Yemen |
| Yemen Arab Republic | República Árabe de Yemen |
