Mercy is leniency or compassion. In sport, the mercy rule may be applied.

Mercy may also refer to:

• Mercy Bay, Northwest Territories, Canada
• Mercy, Allier, Allier department, France, a commune
• Mercy, Yonne, Yonne department, France, a commune
• Mercy, Les Cayes, Haiti, a village in the Les Cayes municipality

• Mercy (comics), a villain at the Marvel Comics universe
• Mercy, a character in the 1979 film The Warriors
• Mercy, a character in the 2019 horror comic series Witch Creek Road
• Mercy Bromage, a character from the 2017 movie My Days of Mercy
• Mercy Chant, a minor character in the Thomas Hardy novel Tess of the d'Urbervilles
• Mercy Graves, a character from Superman: The Animated Series
• Mercy Hartigan, the human accomplice of the Cybermen in The Next Doctor
• Mercy Olubunmi, in the British soap opera EastEnders and Internet spin-off EastEnders: E20
• Mercy Thompson, in an urban fantasy series written by Patricia Briggs
• Mercy (Overwatch), from the 2016 video game Overwatch
• Mercy Watson, the main character from the Mercy Watson series

• Mercy, Saskatchewan, the setting for the Canadian sitcom Little Mosque on the Prairie

• Mercy (1953 film), a Mexican drama directed by Zacarías Gómez Urquiza
• Mercy (1995 film), a crime film starring Sam Rockwell and John Rubinstein
• Mercy (2000 film), a crime film starring Ellen Barkin and Julian Sands
• Mercy (2009 film), a romantic drama about a writer who pursues a romance with a critic
• Mercy (2012 film), a German drama film about a couple and their teenage son who emigrate to the north of Norway
• Mercy (2014 film), an American horror film that loosely adapts the Stephen King short story "Gramma"
• Mercy (2016 film), a home invasion thriller distributed on Netflix
• The Mercy, a 2017 British biographical drama film about an amateur yacht sailor in the Sunday Times Golden Globe Race
• Mercy (2023 film), an American action film starring Leah Gibson, Jonathan Rhys Meyers, and Jon Voight
• Mercy (2026 film), an American science fiction film starring Chris Pratt and Rebecca Ferguson

• Mercy (game), a children's game that involves the bending back of an opponent's hands
• Mercy, a move related to the Fatality in the video game series Mortal Kombat

• Mercy (Vertigo), a graphic novel in DC Comics' Vertigo imprint
• A Mercy, a 2008 novel by Toni Morrison
• Mercy (novel), a 1996 novel by Jodi Picoult
• Mercy, a 1991 book by Andrea Dworkin
• Mercy, a 2019 storyline of the horror comic Witch Creek Road season 2 by Garth Matthams and Kenan Halilović

• Mercy (band), a 1960s pop group

• Mercy (Steve Jones album), 1987
• Mercy, by Bryan Duncan, 1992
• Mercy, by Andraé Crouch, 1994
•  Mercy (Meredith Monk album), 2002
•  Mercy (Salmonella Dub remix album), 2004
• Mercy (Burden Brothers album), 2006
•  Mercy (Planes Mistaken for Stars album), 2006
• Mercy (Rocco DeLuca and the Burden album), 2009
•  Mercy, by Natalie Bergman, 2021
•  Mercy (Trey Anastasio album), 2022
• Mercy (John Cale album), 2023
• Mercy (Remo Drive album), 2024
• Mercy (Armand Hammer and the Alchemist album), 2025

• "Mercy" (Brett Young song)
• "Mercy" (Dave Matthews Band song)
• "Mercy" (Duffy song)
• "Mercy" (Elevation Worship and Maverick City Music song)
• "Mercy" (Madame Monsieur song)
• "Mercy" (Muse song)
• "Mercy", by OneRepublic from Dreaming Out Loud, 2007
• "Mercy" (Shawn Mendes song)
• "Mercy" (Kanye West song)
• "Mercy", by Wire from Chairs Missing, 1978

• Mercy (TV series), an American medical drama
• "Mercy" (The Walking Dead), an episode

• Mercy (healthcare organization), a Catholic health system in the United States sponsored by the Sisters of Mercy
• Mercy Malaysia, a Malaysia-based relief group
• Mercy Ministries, a Charity organization

• Mercy College (disambiguation)
• Mercy High School (disambiguation)
• Mercy Academy, an all-girls Roman Catholic high school in Louisville, Kentucky

• Mercy (given name), a list of people with the given name or nickname

• Mercy Hospital (disambiguation)
• USS Mercy, three United States Navy hospital ships
• Mercy-class hospital ship
• Mercy (cipher), a disk encryption algorithm
• Mercy (drink), a hangover preventative beverage
• Waylon Mercy, later stage name for former professional wrestler Dan Spivey

• All pages with titles beginning with Mercy
• All pages with titles containing Mercy
• La Mercy, a suburb of the eThekwini municipality, South Africa
• "Mercy, Mercy, Mercy", a 1966 jazz instrumental written by Joe Zawinul for Julian "Cannonball" Adderley
• "Mercy, Mercy" (Don Covay song), a 1965 soul song
• "Aw' Mercy", a song by Booker T. & the M.G.'s from the album Soul Dressing
• Mercy-le-Bas, in the Meurthe-et-Moselle department
• Mercy-le-Haut, in the Meurthe-et-Moselle department
• Val-de-Mercy, in the Yonne department