| Yoshiyuki Okamura | Yoshiyuki Okamura |
| Yoshiyuki Sadamoto | Yoshiyuki Sadamoto |
| Yoshkar-Ola | Yoshkar-Olá |
| Yossi Benayoun | Yossi Benayoun |
| yotta- | yotta- |
| Yottabit | Yottabit |
| you | tú |
| you and whose army | ¿tú y cuántos más_ |
| You are Germany | Tú eres Alemania |
| you can imagine | puedes imaginarte |
| you can just imagine | puedes imaginarte |
| you can say that again | ya lo creo |
| you can't go back on it now | a lo hecho pecho |
| you can't have it both ways | no se puede estar en misa y replicando |
| you can't judge a book by its cover | el hábito no hace al monje |
| you can't make a silk purse of a sow's ear | aunque la mona se vista de seda, mona se queda |
| You Could Have It So Much Better | You Could Have It So Much Better |
| you could hear a pin drop | estaba totalmente silencioso |
| you have beautiful eyes | tiene hermosos ojos |
| you know | sabes |
| you lot | vosotros |
| You Only Live Twice | Sólo se vive dos veces |
| You please yourself | Como gustéis |
| you ve | tienes |
| you're freely allowed | eres bienvenido a |
| you're welcome | de nada |
| you're welcome to | eres bienvenido a |
| you've got to crack a few eggs to make an omelette | nada que valga la pena se logra sin crear conflictos |
| you-know-who | Fulano |
| Youkai | Yōkai |
| Youn Only Live Twice | Sólo se vive dos veces |
| Younes El Aynaoui | Younes El Aynaoui |
| young | juventud |
| Young British Artists | Young British Artists |
| Young Christian Workers | Juventud Obrera Cristiana |
| Young Communist League | Komsomol |
| Young disk cepheid | Cefeida joven del disco |
| young duck | anadino |
| Young Frankenstein | El jovencito Frankenstein |
| Young goat | Kili |
| Young Guns II | Young Guns II |
| Young Hegelians | Jóvenes hegelianos |
| Young Justice | Justicia Joven |
| Young Man with a Horn | Young Man with a Horn |
| young people | juventud |
| Young sparrow | Gorrioncillo |
| Young star | Estrella joven |
| Young star cluster | Cúmulo estelar joven |
| Young star clusters | Cúmulo estelar joven |
| young swan | pollo de cisne |
| Young Turks | Jóvenes Turcos |
| Young Vivian | Young Vivian |
| Young's modulus | Módulo de elasticidad |
| youngberry | youngberry |
| younger | menor |
| Younger Edda | Edda prosaica |
| Youngest child | Benjamín |
| youngster | joven |
| youngsters | juventud |
| Younis Mahmoud | Younis Mahmoud |
| your | tu |
| Your cup of tea | Elemento |
| Your Eminence | Vuestra Eminencia |
| your grace | vuestra merced |
| Your Highness | Su Alteza |
| Your Majesty | Su Majestad |
| your mother | tu madre |
| Your Royal Highness | Vuestra Alteza Real |
| Your Serene Highness | Su Alteza Serenísima |
| your wish is my command | tus deseos son órdenes para mí |
| Youri Djorkaeff | Youri Djorkaeff |
| Yourkas Seitaridis | Giourkas Seitaridis |
| yours | suyo |
| yours faithfully | le saluda sinceramente |
| yours sincerely | atentamente |
| Yours truly | Suyo afectísimo |
| yourself | te |
| yourselves | os |
| yous | vosotros |
| Youssef Chahine | Youssef Chahine |
| Youssef Rzouga | Youssef Rzouga |
| youth | adolescencia |
| youth hostel | albergue de juventud |
| Youth Olympic Games | Juegos Olímpicos de la Juventud |
| Youth organization | Organización juvenil |
| youthful | juvenil |
| youthfulness | juventud |
| youths | juventud |
| YouTube | YouTube |
| Yoweri Museveni | Yoweri Museveni |
| yowl | aullido |
| Yozgat Province | Yozgat |
| YPbPr | YPBPR |
| YPFB | Yacimientos Petrolíferos Fiscales Bolivianos |
| Ypres | Ypres |
| Ypresian | Ypresiense |
| yr | a o |
| Ysalamir | Ysalamiri |
| Yser | Yser |
| ytterbium | iterbio |
| Ytterby | Ytterby |
| yttrium | itrio |
| Yttrium barium copper oxide | YBCO |
| Yu Aida | Yu Aida |
| Yu Asakawa | Yu Asakawa |
| Yu Suzuki | Yū Suzuki |
| Yu the Great | Yu el Grande |
| yuan | yuan |
| Yuan Dynasty | Dinastía Yuan |
| Yuan Shikai | Yuan Shikai |
