Sign (disambiguation)

A sign is an entity which indicates another entity.

Sign may also refer to:

• Commercial signage
• Signage
• Sign (semiotics)
• Sign (linguistics)
• Sign language
• Sign (mathematics), an indication of negative and positive numbers
  • Sign function, also known as the signum function
  • Sign of a permutation
• Astrological sign
• Medical sign
• Sign (band), an Icelandic band
• "Sign" (Mr. Children song)
• "Sign" (Beni Arashiro song)
• "Sign" (Marcella Detroit song), from Dancing Madly Sideways (2001)
• "Sign", a song by Susumu Hirasawa
  • "Sign-2", a different version of "Sign" from Berserk: Millennium Falcon Hen Seima Senki no Shō
• "The Sign" (song), a 1993 song by Ace of Base
• Project Sign, a project by the U.S. Air Force to investigate unidentified flying objects (UFOs)
• Inteligencia de la Gendarmería Nacional Argentina, the Argentine intelligence service
• Scottish Intercollegiate Guideline Network, a Scottish group that develops evidence based medical guidelines

See also

• .hack//Sign, an anime series
• Signs (disambiguation)
• Signing (disambiguation)