Lionheart, Lion Heart, Lionsheart, Lionhearts or Lion's Heart may refer to:

• Richard the Lionheart, a name for Richard I of England
• Dan Wheldon (1978–2011), race car driver who was nicknamed "Lionheart"
• Lion-Heart, nickname of English professional kickboxer Abdul Ali (born 1969), also known as Ali Jacko
• Lionheart, nickname of Anthony Smith (born 1988), a mixed martial artist
• Lionheart, a former ringname of professional wrestler Chris Jericho
• Lionheart (UK wrestler) (1982–2019), ring name of British professional wrestler Adrian McCallum

• Lionheart (British band), a British rock band
• Lionheart (American band), an American hardcore band
• Lionsheart, a British heavy metal band
• Lionheart Music Group, a Swedish record label

• Lion Heart (album), by South Korean girl group Girls' Generation, 2015
• Lionheart (Saxon album), 2004
• Lionhearts, an album by Maddy Prior, 2003
• Lionheart, an album by Noel Richards, 1989
• Lionheart (Kate Bush album), 1978

• "Lionheart", by Battle Beast on their 2015 album Unholy Savior
• "Lionheart", by Blind Guardian on their 2006 album A Twist in the Myth
• "Lionheart", by Bury Tomorrow on their 2012 album The Union of Crowns
• "Lionheart", by Demi Lovato on her 2015 album Confident
• "Lionheart", by PUP on their self-titled 2013 album PUP
• "Lionheart", by War of Ages on their 2014 album Supreme Chaos
• "Lionheart (Fearless)", by Joel Corry and Tom Grennan 2022
• "Lion Heart" (song), by Girls' Generation
• "Lion Heart", by Krokus on their 1995 album To Rock or Not to Be
• "lionheart (the real me)", by Billlie on their 2023 album The Billage of Perception: Chapter Three

• Heart of a Lion, a 2013 Finnish film
• Lionheart (1968 film), directed by Michael Forlong
• Lionheart (1987 film), directed by Franklin J. Schaffner
• Lionheart (1990 film), starring Jean-Claude Van Damme
• Lionheart (2016 film), an American boxing film short
• Lionheart (2018 film), a Nigerian feature film directed by Genevieve Nnaji
• The Lionhearts, 1998 American animated series
• Lion's Heart, a 1972 Hong Kong film
• Lion.Hearts, a 2009 Chinese language TV series
• "Lionheart", the first episode of Power Rangers Wild Force

• Lionheart (comics), a Marvel Comics character
• Lionheart, a DC Comics character in the "Bloodlines" crossover
• Lionheart, a comic serial by Tom Stazer, featured in Fantagraphics Books' Critters series
• Lionheart, a historical novel by American author Sharon Kay Penman about the life of Richard I of England

• Lionheart (video game), a 1993 platform-genre video game
• Lionheart: Legacy of the Crusader, a 2003 video game
• Lionheart: Kings' Crusade, a 2010 video game

• Lionheart Radio, a community radio station
• Lionheart (yacht), a yacht owned by Sir Philip Green
• Griffon Lionheart, an airplane modeled after the Beechcraft Staggerwing
• Lion's Heart (organization), a teen-based volunteer program headquartered in California

• All pages with titles containing lionheart
• All pages with titles containing lionhearts
• All pages with titles containing lion heart
• All pages with titles containing lion hearts
• All pages with titles containing lion's heart
• The Brothers Lionheart, a fantasy novel for children by Astrid Lindgren
• "Heart of a Lion", a 1986 song released on the 2004 album Metalogy by Judas Priest
• Sher Dil (disambiguation)