Night Watch refers to a lookout, guard or patrol at night, in a nautical, military or police context; see Watchman (law enforcement).

Night Watch, Nightwatch, or Nightwatcher may also refer to:

Art

• Night Watch (painting), the popular name of Rembrandt van Rijn's Company of Frans Banning Cocq and Willem van Ruytenburch in the Rijksmuseum

Music

• Nightwatch (album), a 1978 album by Kenny Loggins
• Nightwatch (jazz album), a 2003 album by Silje Nergaard
• "The Night Watch" (King Crimson song), a song on King Crimson's 1974 album Starless and Bible Black
• The Night Watch (album), King Crimson's 1998 live album featuring "The Night Watch"
• Nightwatchers, a German techno group most known for the song "Insomnia"
• The Nightwatchman alter ego alias of Tom Morello's folk solo project
• The Night Watch, a 1599 almaine by composer Anthony Holborne