A traitor is a person who commits treason.
Traitor, The Traitor or Traitors may also refer to:
Films
Traitor (film), a 2008 spy thriller starring Don Cheadle
The Traitor (1936 German film), the English title for the film Verräter directed by Karl Ritter
The Traitor (1936 American film), directed by Sam Newfield
The Traitor (1957 film), a British film noir
The Traitor (2019 film), an Italian film
Literature
Traitor (Star Wars novel), a 2002 novel by Matthew Stover
The Traitor (Dixon novel), a 1907 novel by Thomas Dixon Jr., with a 1908 dramatization
The Traitor (Walters novel), a 2002 Guy Walters novel
The Traitor (play), a 1631 play by James Shirley
The Traitor (1718 play), a play by Christopher Bullock, reworking Shirley's original
The Traitor, a 2007 fantasy novel by Michael Cisco
The Traitor, a 2007 spy thriller by Stephen Coonts
Traitor (Daisley novel), a 2010 novel by Stephen Daisley
The Traitor Baru Cormorant, a 2015 fantasy titled The Traitor in the UK
Traitor, a 2015 novel by Jonathan de Shalit
Music
Traitors (album), by Misery Index
"Traitor" (song), by Olivia Rodrigo
"Traitor", a song by Motörhead from Rock 'n' Roll
"Traitor", a song by Renegade Soundwave from Soundclash
"Traitor", a song by the Sugarcubes from Life's Too Good
"The Traitor", a 1979 song by Leonard Cohen from Recent Songs
"The Traitor", a 1985 song by Minimal Compact
Television
Series
Traitors (TV series), a 2019 series broadcast on the UK's Channel 4 and Netflix
Traitors (web series), a 2024 Russian documentary miniseries
Episodes
Traitor (TV drama), a 1971 British television play by Dennis Potter
"Traitor" (American Horror Story)
"Traitor" (Captain Scarlet)
"Traitor" (The Secret Circle)
"Traitor" (The Transformers)
"The Traitor" (The Amazing World of Gumball)
"The Traitor" (Danger Man)
"The Traitor", a season 2 episode of Dungeons & Dragons
"The Traitor" (G.I. Joe: A Real American Hero)
"The Traitor", a season 2 episode of Voltron
Other uses
Traitor (Thieves' World), a 1982 fantasy role-playing game adventure for Thieves' World