| West Yorkshire | West Yorkshire |
| West Zealand County | Selandia Occidental |
| West-Eastern Divan | West-East Divan Orchestra |
| WestBam | Westbam |
| Westboro Baptist Church | Westboro Baptist Church |
| westbound | hacia el oeste |
| Westcar Papyrus | Papiro Westcar |
| Westerlies | Vientos del oeste |
| westerly | occidental |
| westerly wind | viento del oeste |
| western | occidental |
| Western Armenian language | Idioma armenio occidental |
| Western Army | Ejército occidental |
| Western art history | Historia del arte occidental |
| Western Asia | Asia occidental |
| Western astrology | Astrología |
| Western Australia | Australia Occidental |
| Western blot | Western blot |
| Western Bug | Bug Occidental |
| Western Canada | Oeste de Canadá |
| Western canon | Canon Occidental |
| Western Cape | Provincia Occidental del Cabo |
| western capercaillie | urogallo |
| Western concert flute | flauta travesera |
| Western Conference | Conferencia Oeste |
| Western Crowned Pigeon | Goura cristata |
| Western Culture | Occidental |
| Western Desert | Desierto del Oeste |
| western diamondback rattlesnake | crótalo diamante occidental |
| Western Division | División Western |
| Western Europe | Europa Occidental |
| Western European Time | Hora de Europa Occidental |
| Western European Union | Unión Europea Occidental |
| Western Farsi | persa |
| Western fiction | Western |
| Western film | Western |
| Western Finland | Finlandia Occidental |
| Western Francia | Francia Occidentalis |
| Western Frisian | frisio |
| Western Germany | Alemania Occidental |
| Western Ghats | Ghats Occidentales |
| Western Gorilla | Gorilla gorilla |
| Western Grebe | Aechmophorus occidentalis |
| Western Green Lizard | Lacerta bilineata |
| Western Hemisphere | Hemisferio Occidental |
| Western Hemisphere Institute for Security Cooperation | Escuela de las Américas |
| Western Hockey League | Western Hockey League |
| Western honey bee | Apis mellifera |
| Western Islands | Hébridas |
| Western Isles | Hébridas |
| Western Long-beaked Echidna | Zaglossus bruijni |
| western longitude | longitud oeste |
| Western marsh orchid | Dactylorhiza majalis |
| Western martial arts | Esgrima italiana |
| Western philosophy | Filosofía |
| Western Pomerania | Pomerania |
| Western Province | Provincia Occidental |
| Western Quoll | Dasyurus geoffroii |
| Western Region | Región Oeste |
| Western Roman Empire | Imperio Romano de Occidente |
| Western Sahara | Sahara Occidental |
| Western Sahara national football team | Selección de fútbol del Sahara Occidental |
| Western Samoa | Samoa |
| Western Schism | Cisma de Occidente |
| Western Spotted Skunk | Spilogale gracilis |
| Western Thrace | Tracia |
| WEstern Visayas | Visayas Occidental |
| Western Wall | Muro de las Lamentaciones |
| Western Xia | Imperio Tangut |
| Westerner | occidental |
| westernization | occidentalización |
| westernize | occidentalizar |
| Westerplatte | Westerplatte |
| Westerstede | Westerstede |
| Westerveld | Sander Westerveld |
| Westerwald | Westerwald |
| Westerwaldkreis | Westerwald |
| Westfalenhalle | Westfalenhalle |
| Westland Lynx | Lince |
| Westminster | Ciudad de Westminster |
| Westminster Abbey | Abadía de Westminster |
| Westminster Cathedral | Catedral de Westminster |
| Westminster Confession of Faith | Confesión de Fe de Westminster |
| Westminster system | Sistema Westminster |
| Westminster tube station | Ciudad de Westminster |
| Westmoreland County | Condado de Westmoreland |
| Westphalia | Westfalia |
| Westroads Mall massacre | Masacre de Westroads Mall |
| Westroads Mall shooting | Masacre de Westroads Mall |
| Westron | Oestron |
| westward | hacia el oeste |
| westwards | hacia el oeste |
| Westwood Village Memorial Park Cemetery | Cementerio Westwood Village Memorial Park |
| Westwork | Westwerk |
| wet | mojar |
| wet blanket | aguafiestas |
| wet nurse | nodriza |
| wet one's whistle | apagar la sed |
| wet suit | traje de buceo |
| Wet Tropics of Queensland | Trópicos Húmedos de Queensland |
| Weta Digital | Weta |
| wetback | mojado |
| wether | carnero |
| wetland | humedal |
| wetness | humedad |
| wetsuit | traje acuático |
| wettability | mojabilidad |
| Wetted roof | Sifon |
| Wetteraukreis | Wetteraukreis |
| Wettstein system | Sistema Wettstein |
| Wetzlar | Wetzlar |
| Wexford | Wexford |
| Weyarn | Weyarn |
| Wget | GNU Wget |
| whack | golpazo |
| whacks | golpea |
| whale | ballena |
| Whale song | Canto de ballenas |
| whalebone | barba de ballena |
| whaler | ballenero |
| Whaleship Essex | Essex |
| whaling | paliza |
| Whaling in Japan | Ballenaje |
| Whangarei | Whangarei |
| whangdoodle | pesadilla |
| wharf | muelle |
| Wharton School of the University of Pennsylvania | Wharton Business School |
| what | lo que |
| what a lovely day | ¡qué día más bonito! |
| what a pity | qué lástima |
| what a shame | qué lástima |
| what about | ¿qué tal..._ |
| what are you doing | ¿qué usted hace_ |
| what date in | qué día de |
| what date is it today | ¿qué fecha es hoy_ |
| what do you mean | qué quiere decir |
| what do you say | qué te parece |
| what does XX mean | ¿que significa XX_ |
| what goes around comes around | todo cae por su propio peso |
| what have you | y tal |
| what is | por qué razón |
| what is customary | lo corriente |
| what is more | es más |
| what is that | ¿qué es eso_ |
| what is your name | cómo se llama usted |
| What Kate Did | Lo que hizo Kate |
| what languages do you speak | ¿qué idiomas puede usted hablar_ |
| What Lies Beneath | What lies beneath |
| What Not to Wear | No te lo pongas |
| what the fuck | qué diablos |
| What the Tortoise Said to Achilles | Paradojas de Zenón |
| what time is it | qué hora es |
| What Women Want | What Women Want |
| what's done can't be undone | a lo hecho pecho |
| what's going on | qué pasó |
| what's on your mind | ¿En qué piensas_ |
| what's sauce for the goose is sauce for the gander | lo que es bueno para el pavo, es bueno para la pava |
