Lost Boy, Lostboy, Lostboys, or Lost Boys may refer to:
Literature- Lost Boys (Peter Pan), characters from the 1904 play by J. M. Barrie and its subsequent adaptations
- The Lost Boy (novella), a 1937 work by Thomas Wolfe
- Lost Boys (novel), a 1992 book by Orson Scott Card
- The Lost Boy (memoir), a 1997 book depicting the life of Dave Pelzer
- Lost Boys: Why Our Sons Turn Violent and How We Can Save Them, a 2000 book by James Garbarino
- Lost Boys: Reign of Frogs, a 2008 four-issue comic book mini-series, a sequel to the 1987 film
- The Lost Boy (novel), a 2009 work by Camilla Läckberg translated into English in 2013
- The Lost Boys (comic book), a 2016 comics series, a sequel to the 1987 film
- Lost Boy (Henry novel), a 2017 fantasy novel by Christina Henry
- The Lost Boys (miniseries), a 1978 BBC docudrama about Peter Pan creator J. M. Barrie and the Davies boys
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The Lost Boys, a 1987 comedy/horror film directed by Joel Schumacher and starring Kiefer Sutherland
- The Lost Boys (franchise), a media franchise originating with the film
- Lost Boys: The Tribe, a 2008 film sequel
- Lost Boys: The Thirst, a 2010 film sequel
- Lost Boys of Sudan (film), a 2003 documentary directed by Megan Mylan and Jon Shenk
- "The Lost Boys" (Stargate Atlantis), a 2005 episode of Stargate Atlantis
- "Lost Boys" (Ghost Whisperer), a 2005 episode of Ghost Whisperer
- The Lost Boy (The Sarah Jane Adventures), a 2007 story from the Doctor Who spin-off series
- "The Lost Boy" (Gossip Girl), a 2009 episode of the CW television series
- "Lost Boys" (Grimm), a 2015 episode of American television series Grimm
- "Lost Boys" (American Dad!), a 2019 episode of the American animated sitcom American Dad!
- The Lost Boys (2023 film), a Belgian-French drama film
- Lostboy, stage name of British producer and songwriter Peter Rycroft
- Lost Boys (band), a 1989 band formed by Steven van Zandt
- Lost Boyz, a 1993 hip-hop group from New York
Albums
- Lost Boys (album), a 1984 studio album by The Flying Pickets
- The Lost Boys (soundtrack), from the 1987 comedy/horror film
- Lostboy! AKA Jim Kerr, a 2010 rock album by Jim Kerr
- Lost Boy (album), a 2010 album by the American metalcore band
- The Lost Boy (album), a 2019 studio album by YBN Cordae
Songs
- "Lost Boys", a song by The 69 Eyes from the 2004 album Devils
- "Lost Boys", a song by MGK and Trippie Redd from the 2024 EP Genre: Sadboy
- "Lost Boys", a song by amazarashi from the 2022 album Nanagousen Lost Boys
- "Lost Boys", a song by Death Grips from the 2012 album The Money Store
- "Lost Boy", a song by 5 Seconds of Summer from the Australian version of their 2014 self-titled album
- "Lost Boy", a song by Jaden Smith from the 2017 album Syre
- "Lost Boy", a song by Relient K from the 2013 album Collapsible Lung
- "Lost Boy" (Ruth B song), a 2015 single
- "Lost Boy", a song by Troye Sivan from the 2015 album Blue Neighbourhood
- "Lost Boy", a song by Whitechapel from the 2021 album Kin
- Lost Boy (musical), 2014 musical by Phil Willmott
- LBi, a Dutch marketing and technology agency
- Lost Boys (professional wrestling), a professional wrestling tag team in the American independent circuit during the mid-1990s
- Guerrilla Games, formerly known as Lost Boys Games, a Dutch video game developer
- Lost boys (Mormon fundamentalism), young men excommunicated or pressured to leave polygamous groups
- Lost Boys of Sudan, a Sudanese refugee resettlement program begun in 2001
- Lost Boys Studios, a visual arts school in Canada
- Lost Girls (disambiguation)
- Lost Children (disambiguation)