Saturday Night may refer to:
Songs
- "Saturday Night (Is the Loneliest Night of the Week)", a 1944 song popularized by Frank Sinatra and later by Bobby Vinton
- "Saturday Night" (Bay City Rollers song), 1973
- "Saturday Nite" (song), by Earth, Wind & Fire, 1976
- "Saturday Night" (Cold Chisel song), 1984
- "Saturday Night" (The Blue Nile song), 1989
- "Saturday Night" (Whigfield song), 1994
- "Saturday Night" (Sqeezer song), 1997
- "Saturday Night" (Suede song), 1997
- "Saturday Night" (The Underdog Project song), 2002
- "Saturday Night" (Sandi Thom song), 2008
- "Saturday Night" (Jessica Mauboy song), 2010
- "Saturday Night" (Drowning Pool song), 2012
- "Saturday Night" (Natalia Kills song), 2013
- "Say Amen (Saturday Night)", a 2018 song by Panic! at the Disco
- "Saturday Nights" (Khalid song), 2019
- "Saturday Night", by The New Christy Minstrels, 1963
- "Saturday Night", by the Eagles from the 1973 album Desperado
- "Saturday Night", by Herman Brood & His Wild Romance from the 1978 album Shpritsz
- "Saturday Night", by Herbie Hancock from the 1980 album Monster
- "Saturday Night", a song by U2 that became "Fire", 1981
- "Saturday Night", by the Commodores from the 1981 album In the Pocket
- "Saturday Night", by Lonestar from the 1999 album Lonely Grill
- "Saturday Night", by Misfits from the 1999 album Famous Monsters
- "Saturday Night", by Ozomatli from the 2004 album Street Signs
- "Saturday Night", by Aaron Carter from the soundtrack for the 2005 film Popstar
- "Saturday Night", by Kaiser Chiefs from the 2005 album Employment
- "Saturday Night", by the Thrills from the 2005 album Let's Bottle Bohemia
- "Saturday Night", by Daniel Lindström, 2008
- "Saturday Night", by Noisettes from the 2009 album Wild Young Hearts
- "Saturday Night", by Crayon Pop, 2012
- "Saturday Night", by 2 Chainz from the 2017 album Pretty Girls Like Trap Music
- "Saturday Night", by the Cat Empire from the 2019 album Stolen Diamonds
- "Saturday Night", by the Odds, the first signing of Red Rhino Records
- Motza'ei Shabbat, the time in the evening immediately following Shabbat, that is Saturday night