11:11, Eleven Eleven, or variations of the two, may refer to:

• 1111
• Armistice of 11 November 1918 or "the eleventh of the eleventh"
• November 11
• November 1911
• November 2011

• 11:11, an album by Danny Romero (2018)
• 11-11, a 2004 album by Voicst
• 11:11 (Chris Brown album) (2023)
• 11:11 (Come album) (1992)
• 11:11 (Mac Lethal album) (2007)
• 11:11 (Maluma album) (2019)
• 11:11 (Maria Taylor album) (2005)
• 11:11 (Paula Fernandes album) (2023)
• 11:11 (Pinegrove album) (2022)
• 11:11 (Regina Spektor album) (2001)
• 11:11 (Rodrigo y Gabriela album) (2009)
• 11:11 (Sasha Sökol album) (1997)
• Eleven Eleven (Dave Alvin album)
• Eleven Eleven (Dinosaur Pile-Up album) (2016)

• "11:11", a single by Austin Mahone
• "11 eleven", a 2003 single credited to Cyber X feat. misono
• "11:11", a song by Hanzel Und Gretyl from the 2003 album Über Alles
• "11/11", a song by Team Sleep from the 2005 album Team Sleep
• "11:11", a song by Rufus Wainwright from the 2003 album Want One
• "11:11", a song by Andrew Bird's Bowl of Fire from the album The Swimming Hour
• "11:11", a song by Arkells from the 2014 album High Noon
• "11:11", a song by Kind of Like Spitting from the 2000 album $100 Room
• "11:11", a song by Dinosaur Pile-Up from the 2016 album Eleven Eleven
• "11:11" (Taeyeon song) (2016)
• "11:11 PM", a song by All-American Rejects from the 2005 album Move Along
• "11:11" (Megara song) (2024)
• "Condition 11:11", a song by Defiance, Ohio from the 2006 album The Great Depression
• "Eleven Eleven", a song by Conan Gray from the 2025 album Wishbone
• "11:11", a song by Ben Barnes, released as a single on 17. September 2021

• Eleveneleven, record label founded by Ellen DeGeneres

• Eleven Eleven (2018 film), a 2018 American sci-fi comedy film
• 11:11 (film), a 2022 Egyptian drama film

• 11:11 (numerology)
• 11.11, also known as Singles Day, a day for unmarried people, popular among Chinese youth
• 1.1.1.1, a free Domain Name System (DNS) service by Cloudflare

• 11 (number)
• Chapter 11, Title 11, United States Code