Night Watch or Nightwatch may refer to:

• The nighttime shift worked by a security guard (night watchman)
• Watchman (law enforcement), organized groups of men to deter criminal activity and provide law enforcement
• One of the watches stood by sailors who are watchkeeping

• The Night Watch, a 1977 memoir by Central Intelligence Agency officer David Atlee Phillips

• Night Watch, a 1972 play by American dramatist Lucille Fletcher, later adapted into the 1973 film)
• Night Watch, a 1989 UNACO novel by Alastair MacNeill
• Night Watch, a 1990 novel by American writer Robin Wayne Bailey
• Night Watch (Sigurðardóttir novel), a 1992 novel by Icelandic author Fríða Á. Sigurðardóttir
• The Night Watch, a 1997 novel by American-Canadian science fiction and fantasy author Sean Stewart
• Night Watch (Lukyanenko novel), a 1998 fantasy novel by Russian author Sergei Lukyanenko
• Nightwatch, a 1999 novel by American novelist and screenwriter Richard P. Henrick
• Night Watch (Discworld), a 2002 fantasy novel by British writer Terry Pratchett
• The Night Watch (Waters novel), a 2006 historical fiction novel by Sarah Waters
• Night Watch, a 2012 novel by American author, attorney, and former New York City prosecutor Linda Fairstein
• Night Watch (Phillips novel), a 2023 novel by American author Jayne Anne Phillips

• Night's Watch, a group of characters from the A Song of Ice and Fire series of epic fantasy novels
• Nightwatch (comics), a fictional character appearing in American comic books published by Marvel Comics
• Raphael (Teenage Mutant Ninja Turtles) (also Nightwatcher), a fictional superhero
• A paramilitary group in the Babylon 5 universe

• The Night Watch (1925 film), a French drama film directed by Marcel Silver
• The Night Watch (1926 film), a lost silent film directed by Fred Caldwell
• Night Watch (1928 film), an American drama film directed by Alexander Korda
• The Hole (1960 film) (also The Night Watch in the US), a French crime film directed by Jacques Becker
• Night Watch (1973 film), a British-American suspense-thriller film directed by Brian G. Hutton
• Nightwatch (1994 film), a Danish thriller film directed and written by Danish director Ole Bornedal
• Night Watch (1995 film), an American television spy film directed by David Jackson
• Nightwatch (1997 film), an American horror thriller film directed by Ole Bornedal
• Night Watch (2004 film), a Russian urban fantasy supernatural thriller film directed by Timur Bekmambetov
• Rond Nocturna (English: Night Watch), a 2005 film by Argentinian writer and filmmaker Edgardo Cozarinsky
• Nightwatching, a 2007 film directed by Peter Greenaway
• The Night Watch, a 2010 film adaptation of Sarah Waters' 2006 historical fiction novel The Night Watch

• The Night Watch (album), a live album by the English rock band King Crimson
• "The Night Watch", the fourth track from King Crimson's 1974 album Starless and Bible Black
• "Night Watch", the eighth track from Tegan and Sara's 2009 album Sainthood
• Nightwatch (album), the second solo album from Kenny Loggins
• Nightwatch a 2003 album by Norwegian jazz vocalist and songwriter Silje Nergaard
• Noisia (also Nightwatch), a Dutch electronic music trio

• CBS Overnight News (also CBS News Nightwatch), an American overnight news broadcast
• Nightwatch with Steve Scott, a weekday late-night documentary series in the UK on ITV
• Nightwatch (TV series), an unscripted television series broadcast by A&E

• The Night Watch, a 1642 painting by Rembrandt van Rijn
• Night Watch (video game), a tactical role-playing game developed by Russian developer Nival Interactive
• Nochnoy Dozor (group) (English: Night Watch), a group of mostly Russophone political activists living in Estonia
• Operation Nightwatch, a mission undertaken by Boeing E-4 and previously by Boeing EC-135s
• Gender neutral term for Nightwatchman (cricket)

• Nightwatchman