Fight Night may refer to:

Film and television Fight Night (film), a.k.a. Rigged, a 2008 film "Fight Night" (CSI), an episode of CSI: Crime Scene Investigation Fight Night (TV programme), a British boxing programme Fight Night: The Million Dollar Heist, a 2024 miniseries "Fight Night" and "Fight Night II", episodes of Big Brother (UK) series 5 and series 9, respectively

Video games Fight Night (1985 video game), a boxing computer game published by Accolade and U.S. Gold Fight Night (video game series), a series of video games produced by EA Sports, unrelated to the Accolade game Fight Night 2004, the first game in the series Fight Night Round 2, the first sequel to Fight Night 2004 Fight Night Round 3, the second sequel Fight Night Round 4, the third sequel Fight Night Champion, the fourth sequel

Sports UFC Ultimate Fight Night, a series of Ultimate Fighting Championship events Fight Night, a boxing program on NBCSN

Other "Fight Night" (song), a 2014 song by Migos Fight Night, a 2021 novel by Miriam Toews

See also "Fight Knight", an episode of the 2008 TV series Knight Rider "Fite Nite" (Ray Donovan), a 2013 television episode "Fite Nite" (Rookie Blue), a 2010 television episode