Dark side, Dark Side, or Darkside may refer to:

• Dark side (Star Wars), the dark side of the Force in the Star Wars universe
• Dark Side (video game), a 1988 video game from Incentive Software
• The Dark Side (book), a 2008 book by Jane Mayer
• The Dark Side (magazine), a UK horror film publication
• Darkside (novel), a 2007 children's novel by Tom Becker
• Darkside, a horror novel by Dennis Etchison
• Darkside (radio play), a 2013 drama by Tom Stoppard, based on Pink Floyd's album The Dark Side of the Moon
• Darkside, Scottish professional wrestler known for winning the ICW World Heavyweight Championship (Scotland)
• The Darkside (film), anthology film directed by Warwick Thornton
• Red: The Dark Side, a 2007 Indian film
• "Dark Side" (The Incredible Hulk), a 1980 television episode

• Darkside (band), an American electronica duo
• The Darkside (band), a British indie band
• Darkside, a subgenre of grime
• Darkside, name for the genre sometimes also called Darkcore

• The Dark Side (DarkSun album), 2007
• The Dark Side (Gregorian album), 2004
• Darkside (Necrophobic album), 1997
• Darkside (Tim Minchin album), 2005
• Darkside / Stay Awake or the title song, an EP by Kisschasy, 2004
• The Darkside Vol. 1, by Fat Joe, 2010
• The Darkside Vol. 2, by Fat Joe, 2011
• The Darkside III, by Fat Joe, 2013
• The Dark Sides, by King Diamond, 1988
• No More Heroes Sound Tracks: Dark Side, from the video game No More Heroes, 2008
• "The Dark Side", disc one of the Dream Theater album Greatest Hit (...And 21 Other Pretty Cool Songs), 2008

• "Dark Side" (Blind Channel song), 2021
• "Dark Side" (Kelly Clarkson song), 2012
• "Dark Side" (Phoebe Ryan song), 2017
• "Dark Side" (R5 song), 2016
• "The Dark Side" (song), by Muse, 2018
• "Dark Side", by Erich Church from The Outsiders, 2014
• "Dark Side", by The Shadows of Knight, 1966

• "Darkside" (Alan Walker song), 2018
• "Darkside" (Blink-182 song), 2019
• "Darkside", by Bring Me the Horizon from Post Human: Nex Gen, 2024
• "Darkside", by Crazy Town from The Gift of Game, 1999
• "Darkside", by Lil Wayne from Funeral, 2020
• "Darkside", by Lindsey Stirling from Artemis, 2019
• "Darkside", by Shinedown from Attention Attention, 2018
• "Darkside", by Ty Dolla Sign and Future from Bright: The Album, 2017
• "DarkSide", by Zara Larsson from Allow Me to Reintroduce Myself, 2013

• DarkSide (dark matter experiment), an affiliation of physicists searching for dark matter
• DarkSide (hacker group), a hacking group responsible for ransomware attacks.
• The night portion of a planetary body, defined by the terminator line

• Darksidea, a genus of fungi
• Darksyde, a ship in the Beast Wars television series
• Darkseid, a DC Comics supervillain
• Dark Side of the Moon (disambiguation)
• The Dark Side of the Sun (disambiguation)
• All pages with titles beginning with Dark Side
• All pages with titles beginning with Darkside
• All pages with titles containing Dark Side
• All pages with titles containing Darkside
• The Bright Side (disambiguation)
• Light side (disambiguation)
• Shadyside (disambiguation)