| Work | Description | Characters |
|---|---|---|
| Warcraft: The Last Guardian | book | 2 |
| Warcraft: The Sunwell Trilogy | comic book series | 1 |
| Warcraft: War of the Ancients Trilogy | book trilogy in Warcraft | 5 |
| War Drums | Book by John Vornholt, from 1992 | 7 |
| WarGames | 1983 thriller drama film directed by John Badham | 1 |
| Warhammer 40,000 | science fiction wargame | 6 |
| Warhammer Fantasy Battle | tabletop wargame | 2 |
| Wario | video game franchise | 1 |
| Wario's Woods | 1994 video game | 1 |
| WarioWare, Inc.: Mega Microgames! | 2003 video game | 1 |
| WarioWare: Twisted! | video game | 1 |
| War of Kings | 2009 comic book storyline by Marvel Comics | 1 |
| Warpath | Book by David Alan Mack, from 2006 | 15 |
| Warped | Book by K. W. Jeter, from 1995 | 6 |
| Warriors | episode of Avatar: The Last Airbender (S1 E2) | 1 |
| War Stories | episode of Firefly (S1 E10) | 2 |
| Watch Dogs | 2014 action-adventure video game developed by Ubisoft Montreal and published by Ubisoft | 1 |
| Watchmen | 2009 neo-noir superhero film directed by Zack Snyder | 6 |
| Watchmen | 2019 American TV series | 2 |
| Watchmen | 1986 comic book | 6 |
| Watchmen: The End Is Nigh | 2009 video game | 2 |
| Weathering with You | 2019 Japanese animated romantic fantasy film | 2 |
| Web of the Romulans | 1983 book by M. S. Murdock from Pocket Books from United States of America | 6 |
| We Can Be Heroes: Finding The Australian of the Year | television series | 1 |
| We Did It | 1936 film by Dave Fleischer | 1 |
| Wednesday | American horror comedy television series | 2 |
| Weeds | 2005-2012 American dark comedy-drama television series | 1 |
| Welcome to Night Vale | Fiction Podcast by Disparition | 1 |
| Welcome to Night Vale | 2015 novel by Joseph Fink and Jeffrey Cranor | 1 |
| Welcome to the N.H.K. | 2002 novel by Tatsuhiko Takimoto | 3 |
| Westworld | 2016 US science fiction thriller TV series | 1 |
| We Were There | Japanese anime television series | 1 |
| We Were There | Japanese manga series | 1 |
| What If...? | American animated streaming television anthology series by Marvel Studios | 1 |
| What Judgments Come | Book by Dayton Ward and Kevin Dilmore, from 2011 | 3 |
| What Price Honor? | Book by Dave Stern, from 2002 | 3 |
| What's Left Behind | Mission in Star Trek: Online | 1 |
| What You Leave Behind, Part 2 | episode of Star Trek: Deep Space Nine (S7 E26) | 1 |
| When Extremes Meet | episode of The Legend of Korra (S1 E8) | 1 |
| When Harry Met Sally | 1989 film by Rob Reiner | 2 |
| When It Rains… | episode of Star Trek: Deep Space Nine (S7 E21) | 1 |
| When My Ship Comes In | 1934 film by Dave Fleischer | 1 |
| When Supernatural Battles Became Commonplace | Japanese light novel series | 1 |
| When Worlds Collide | comic | 1 |
| Where No Man Has Gone Before | 1966 episode of Star Trek: The Original Series (S1 E3) directed by James Goldstone | 4 |
| Whiplash | 2014 film directed by Damien Chazelle | 2 |
| Whisper Me a Love Song | Japanese manga series | 1 |
| Whisper Me a Love Song | Japanese anime television series | 1 |
| Whisper of the Heart | 1995 film by Yoshifumi Kondō | 2 |
| Whisper of the Heart | Japanese manga series | 1 |
| White Collar | USA Network television series | 1 |
| Who Censored Roger Rabbit? | 1981 novel by Gary K. Wolf | 1 |
| Who Framed Roger Rabbit | 1988 film directed by Robert Zemeckis | 1 |
| Who Mourns for Adonais? | episode of Star Trek: The Original Series (S2 E2) | 8 |
| Whoops! I'm a Cowboy | 1937 film by Dave Fleischer | 1 |
| Who's Who in Star Trek, Issue 2 | 1 | |
| Wicked Science | television series | 1 |
| Wigalois | courtly Arthurian verse romance in Middle High German by Wirnt von Grafenberg | 1 |
| Willie Stark | opera | 1 |
| Willy Wonka & the Chocolate Factory | 1971 film by Mel Stuart | 1 |
| Wily Beast and Weakest Creature | 2019 video game | 1 |
| Windows On A Lost World | Book by V.E. Mitchell, from 1993 | 5 |
| Wink of an Eye | episode of Star Trek: The Original Series (S3 E11) | 6 |
| Winnie the Pooh | 2011 American animated film | 2 |
| Winnie-the-Pooh | 1969 Soviet animated film directed by Fyodor Khitruk | 3 |
| Winnie-the-Pooh | book by A. A. Milne | 1 |
| Winnie-the-Pooh and a Busy Day | 1972 animated short film | 2 |
| Winnie-the-Pooh Pays a Visit | 1971 animated short film directed by Fyodor Khitruk | 1 |
| Winnie-the-Pooh series | book series | 6 |
| Without Fail | book | 1 |
| Wizards of Waverly Place | American fantasy teen sitcom | 4 |
| Wizards of Waverly Place: The Movie | 2009 film directed by Lev L. Spiro | 5 |
| Wolf Children Ame and Yuki | 2012 animated film directed by Mamoru Hosoda | 1 |
| Wolfenstein | video game series | 1 |
| Wolfheart | album by Moonspell from 1995 | 1 |
| Wolfheart | book in Warcraft | 1 |
| Wolf's Rain | Japanese manga series | 1 |
| Wolverine | 1991 video game | 1 |
| Wolverine: Adamantium Rage | 1994 video game | 1 |
| Wolverine and the X-Men | comic book series | 1 |
| Wolverine and the X-Men | American animated television series | 12 |
| Woman Walking at Night | work by Seishi Yokomizo | 1 |
| Wonder Woman | 2009 film by Lauren Montgomery | 1 |
| Wonder Woman | 2011 a never-aired television pilot produced by Warner Bros. Television and DC Entertainment for NBC | 1 |
| Wonder Woman | television series | 1 |
| Wonder Woman | 2017 superhero film by Patty Jenkins | 3 |
| Wonder Woman | 1974 television film directed by Vincent McEveety | 1 |
| Wonder Woman 1984 | 2020 American superhero film directed by Patty Jenkins | 1 |
| Worf's First Adventure | Book by Peter David, from 1993 | 1 |
| Works and Days | poem by Hesiod | 1 |
| World of Final Fantasy | 2016 role-playing video game | 2 |
| World of Warcraft | comic series | 4 |
| World of Warcraft | 2004 video game by Blizzard Entertainment | 9 |
| World of Warcraft: Arthas: Rise of the Lich King | book | 7 |
| World of Warcraft: Battle for Azeroth | expansion set for World of Warcraft | 5 |
| World of Warcraft: Before the Storm | novel of the Warcraft series | 2 |
| World of Warcraft: Cataclysm | expansion set for the MMORPG World of Warcraft | 4 |
| World of Warcraft: Dawn of the Aspects | novel of the Warcraft series | 2 |
| World of Warcraft: Illidan | book by William King | 1 |
| World of Warcraft: Jaina Proudmoore: Tides of War | novel of the Warcraft series | 2 |