| Wicca | Wichert Akkerman | Wichita Falls, Texas |
| Wichita, Kansas | Wicked Game | Wickenburg, Arizona |
| Wicker Park (film) | Wickersheim-Wilshausen | Wickham striae |
| Wickliffe, Kentucky | Wicquinghem | Widad Akrawi |
| Wide area network | Wide-angle X-ray scattering | Wide-body aircraft |
| Wide-field Infrared Survey Explorer | Widehem | Widened mediastinum |
| Widescreen | Widget toolkit | Widmanstätten pattern |
| Widower | Wiederkehr Village, Arkansas | Wien's displacement law |
| Wien, Wisconsin | WIEN2k | Wiener Neustadt |
| Wierre-au-Bois | Wierre-Effroy | Wiesbaden |
| Wife | Wife selling | Wife selling (English custom) |
| WiFi | Wifi | Wig wag (washing machines) |
| Wiggins, Colorado | Wiggins, Mississippi | Wight |
| WiGig | Wii | Wii (video game series) |
| Wii Chess | Wii Menu | Wii Optical Disc |
| Wii Play | Wii Remote | Wii Sports |
| Wii U | WiiConnect24 | WiiU |
| WiiWare | Wiki | Wiki journalism |
| Wiki Loves Monuments | Wiki markup | Wiki Project Med Foundation |
| Wiki software | Wikia | Wikia.com |
| WikiAnswers | WikiBhasha | Wikibooks |
| Wikibooks.org | Wikidata | WikiHow |
| Wikihow.com | Wikijunior | WikiLeaks |
| Wikileaks.ch | Wikimania | Wikimania 2005 |
| Wikimania 2007 | Wikimania 2008 | Wikimania 2009 |
| Wikimania 2010 | Wikimania 2011 | Wikimania 2014 |
| Wikimania 2015 | WikiMapia | Wikimapia.org |
| Wikimedia | Wikimedia Commons | Wikimedia Foundation |
| Wikimedia Incubator | Wikimedia Meta-Wiki | Wikinews |
| Wikinews.org | Wikinomics | Wikipad |
| Wikipedia | Wikipedia – The Missing Manual | Wikipedia community |
| Wikipedia Zero | Wikipedia, the free encyclopedia | Wikipedia.org |
| Wikipedian in residence | WikiProject Tunisia Arabic | Wikiquote |
| Wikiquote.org | WikiScanner | WikiSky |
| Wikisource | Wikisource.org | Wikispecies |
| WikiTeam | Wikiteam | Wikitext |
| Wikitravel | Wikitravel.org | Wikiversity |
| Wikiversity.org | Wikivoyage | WikiWikiWeb |
| Wiko | Wiktionary | Wiktionary.org |
| Wilaya | Wilayah | Wilber Township, Michigan |
| Wilberforce Mfum | Wilbert Suvrijn | Wilbur Park, Missouri |
| Wilbur Ross | Wilbur Scoville | Wilbur, Washington |
| Wilburton, Oklahoma | Wilcox County, Alabama | Wilcox Township, Michigan |
| Wilcox, Nebraska | Wild Arms: Twilight Venom | Wild Asian Water buffalo |
| Wild Bactrian camel | Wild boar | Wild fish |
| Wild Gunman | Wild Hogs | Wild horse |
| Wild Kratts | Wild Rose, Wisconsin | Wild Strawberries (film) |
| Wild West | Wild Wild West | Wilder Penfield |
| Wilder, Kentucky | Wilder, Minnesota | Wilderness |
| Wilderness Emergency Medical Technician | Wildersbach | Wildest Dreams (Taylor Swift song) |
| Wildfire | Wildfire s | Wildlife |
| Wildlife of Antarctica | Wildlife photography | Wildrose, North Dakota |
| Wildwood, Kentucky | Wildwood, Missouri | Wile E. Coyote and The Road Runner |
| Wiley, Colorado | Wiley-VCH | Wilf McGuinness |
| Wilferd Madelung | Wilfred Bion | Wilfred Bouma |
| Wilfred Hudson Osgood | Wilfred Owen | Wilfred Patrick Thesiger |
| Wilfred Thesiger | Wilfrid Le Gros Clark | Wilfrid Michael Voynich |
| Wilfrid Scawen Blunt | Wilfried Balima | Wilfried Bony |
| Wilfried Kanon | Wilfried Sauerland | Wilfried Urbain Elvis Endzanga |
| Wilfried Van Moer | Wilfried Zaha | Wilhelm Ahlwardt |
| Wilhelm Bittrich | Wilhelm Cuno | Wilhelm Dilthey |
| Wilhelm Eduard Weber | Wilhelm Filchner | Wilhelm Geiger |
| Wilhelm Grimm | Wilhelm Heinrich Wackenroder | Wilhelm II, German Emperor |
| Wilhelm Junker | Wilhelm Keitel | Wilhelm Lehmbruck |
| Wilhelm Marx | Wilhelm Maybach | Wilhelm Meister's Apprenticeship |
| Wilhelm Meister's Journeyman Years | Wilhelm Meisters Lehrjahre | Wilhelm Meisters Wanderjahre, oder Die Entsagenden |
| Wilhelm Oncken | Wilhelm Ostwald | Wilhelm Peters |
| Wilhelm Pieck | Wilhelm Raabe | Wilhelm Röntgen |
| Wilhelm Reich | Wilhelm Schickard | Wilhelm Schlenk |
| Wilhelm scream | Wilhelm Spitta | Wilhelm Steinitz |
| Wilhelm Sulpiz Kurz | Wilhelm von Hanno | Wilhelm von Humboldt |
| Wilhelm Wien | Wilhelm Wundt | Wilhelmine of Prussia (1774-1837) |
| Wilhelmine of Prussia (1774–1837) | Wilhelmine of Prussia, Margravine of Brandenburg-Bayreuth | Wilhelmine von Hillern |
| Wilkes-Barre, Pennsylvania | Wilkeson, Washington | Wilkesville, Ohio |
| Wilkinson Microwave Anisotropy Probe | Wilkinson, Wisconsin | Wilko Risser |
| Will (law) | Will (philosophy) | Will and testament |
| Will Durant | Will Ferrell | Will Forte |
| Will Hughes | Will of Naunakhte | Will Poulter |
| Will Power | Will Rogers | Will Sasso |
| Will Smith | Will Turner | Will Yun Lee |
| Will-o'-the-wisp | Will.i.am | Willa Holland |
| Willacoochee, Georgia | Willamina, Oregon | Willard Boyle |
| Willard Libby | Willard Van Orman Quine | Willard, Kansas |
| Willard, New Mexico | Willard, Rusk County, Wisconsin | Willard, Utah |
| Willards, Maryland | Willcox, Arizona | Willd. |
| Willebrord Snellius | Willem Barentsz | Willem Dafoe |
| Willem de Kooning | Willem de Sitter | Willem Einthoven |
| Willem Hendrik Keesom | Willem Jackson | Willem Johan Kolff |
| Willem van Hanegem | Willem-Alexander of the Netherlands | Willeman |
| Willemite | Willencourt | Willernie, Minnesota |
| Willerval | Willey, Iowa | Willgottheim |
| Willi Stoph | William & Kate | William A. Dembski |
| William A. Eddy | William A. Egan | William Adams (sailor) |
| William Aiton | William Alfred Fowler | William Allen (Royal Navy officer) |
| William Alston | William Anders | William Antonio Torres |
| William Armstrong, 1st Baron Armstrong | William Arveson | William Asher |
| William Atherton | William Ayache | William Baffin |
| William Baldwin | William Barton Rogers | William Baumol |
| William Bayliss | William Beaumont | William Bedwell |
| William Beebe | William Blake | William Bligh |
