Look up WTF in Wiktionary, the free dictionary.

WTF most often refers to:

• WTF (Internet slang), an expression of disbelief

WTF may also refer to:

• The Daily WTF, a blog about information technology "perversions"
• WTF? What's the Future and Why It's Up to Us, a book by Tim O'Reilly, 2017
• WTF? (book), a book by the British journalist Robert Peston, 2017

• Weird, True & Freaky, a documentary series on Animal Planet
• Work Time Fun, a video game for the PlayStation Portable
• "WTF", a segment on sexual fetishes on G4TV's Attack of the Show
• WTF, the former name of the British music television channel Now Rock
• WTF! (2017 film), a 2017 US horror film
• "W.T.F." (South Park), (Wrestling Takedown Federation), the 191st episode of South Park
• WTF with Marc Maron, a podcast hosted by comedian Marc Maron
• WXTF-LP (WTF Radio), an American low-power non-profit community radio station in Harrisville, Michigan
• "WTF!: Wrestling's Trashiest Fighters", episode of RuPaul's Drag Race

• WTF?, an electronic music supergroup comprising deadmau5, Tommy Lee, Steve Duda, and DJ Aero

• WTF?!, by industrial band KMFDM, 2011
• W.T.F. (Wisdom, Tenacity and Focus), by rapper Vanilla Ice, 2011

• "WTF", by Heart from Red Velvet Car, 2010
• "WTF", by Wiz Khalifa from Cabin Fever, 2011
• "WTF?" (song), by OK GO, 2010
• "WTF (Where They From)", by Missy Elliott and Pharrell, 2015
• "WTF" (YoungBoy Never Broke Again and Nicki Minaj song), 2023

• Williamstown Theatre Festival, Massachusetts, US
• World Theatre Festival (disambiguation), various festivals

• Western Task Force, in World War II's Operation Torch
• Wikileaks Task Force, of the US CIA
• World Taekwondo, previously known as the World Taekwondo Federation (WTF)

• ATP World Tour Finals (ATP WTF)
• Wobbly Transformation Format – 8-bit, an extension of UTF-8
• .wtf, an Internet top-level domain
• wtf, language code for the Watiwa language, a Trans–New Guinean language
• "WTF star" ("Where's The Flux"), or KIC 8462852, an unusual star

• All pages with titles beginning with WTF
• All pages with titles containing WTF
• What the fuck (disambiguation)
• Whiskey Tango Foxtrot (disambiguation)
• WT1190F, a large piece of space debris that came down to Earth on November 13, 2015
• WTFPL, Do What the Fuck You Want To Public License, a permissive software license

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