Late Night may refer to:

• Late Night (film), a 2019 American comedy film
• The Sims 3: Late Night, a 2010 expansion pack for The Sims 3

• Late night television, generally United States programming airing after 11:30 pm EST
  • Late-night talk show, the most common type of late night television in the United States
• Late Night (franchise), an American late-night talk and variety show airing on NBC
  • Late Night with David Letterman (1982–93)
  • Late Night with Conan O'Brien (1993–2009)
  • Late Night with Jimmy Fallon (2009–14)
  • Late Night with Seth Meyers (2014–present)
• Late night anime, anime series broadcast on television late at night or in the early hours of the morning

• "Late Night" (song), a 2013 song by Foals
• "Late Night", a song by Syd Barrett from the album The Madcap Laughs, 1970
• "Late Night", a song by Odesza from the album A Moment Apart, 2017
• "Late Night", a 2020 song by Peakboy

• Late Nite, a 1989 album by American guitarist Neal Schon

• Late at Night (disambiguation)
• The Late Show (disambiguation)