20th century (disambiguation)

The 20th century of the Common Era began on 1 January 1901 and ended on 31 December 2000, according to the Gregorian calendar.

20th century may also refer to:

• 20th century BC
• Twentieth Century (play), a 1932 Broadway play
• Twentieth Century (film), a 1934 American comedy
• On the Twentieth Century, a 1978 musical based on the play and film
• Twentieth Century Pictures, a 1930s film studio
• The 20th Century, the 1950s television series
• Twentieth Century (Cold Chisel album), 1984
• Twentieth Century (Alabama album), 1999
• Twentieth Century (typeface), a sans-serif typeface
• 20th Century (album), an album 3X Krazy
• 20th Century (cocktail), a gin cocktail
• 20th Century Fox, a movie and television production company
• 20th Century Limited, the flagship passenger train of the New York Central Railroad
• 20th Century Records, a record label begun as a soundtrack division of Twentieth Century Pictures
• 20th Century with Mike Wallace, the 1990s-2000s television series
• 20th Century, a sub-unit of Japanese boyband V6
• "Twentieth Century", a song from the 2006 album, Fundamental by the Pet Shop Boys