Look up cipher in Wiktionary, the free dictionary.

A cipher is a method of encryption or decryption.

Cipher may also refer to:

• CIPHER (DOS command), an external filter command in some versions of MS-DOS 2.xx
• One of the names for the number 0 in English

• Cipher (manga), a manga series by Minako Narita
• Cipher (comics), a Marvel Comics X-Men character
• Cipher (newuniversal), a Marvel Comics character in the newuniversal imprint
• Bill Cipher, a dream demon in Gravity Falls
• Cipher, the player character in Ace Combat Zero: The Belkan War
• Team Cipher, the villainous team from Pokémon Colosseum and the sequel Pokémon XD: Gale of Darkness
• Cipher, a criminal mastermind and cyber terrorist in The Fate of the Furious
• A codename for The Patriots in the video game series Metal Gear Solid
• A word used by the Five-Percent Nation to refer to zero, letter "O" or a circle
• A playable character class in the role-playing video game Pillars of Eternity

• Cipher (The Alpha Conspiracy album)
• Cipher (Joshua Abrams album)
• Cipher (band), a hardcore punk band
• Ciphers (album), a 1996 album by SETI
• Cipher, Japanese musician and guitarist of the rock band D'erlanger
• "Cipher", a 2011 song by Kevin MacLeod
• Cipher notation, a type of musical notation
• A note that continues to sound in a pipe organ when the organist does not intend for it to sound
• A freestyle rap session from a group of rappers

• A stage name of Ichiro Takigawa, the guitarist of the Japanese rock band D'erlanger
• Cipha Sounds, the alias of Luis Diaz, an American radio and television personality

• Cipher Data Products, a defunct computer storage company

• Cypher
• Cyphers
• All pages with titles beginning with Cipher
• All pages with titles containing Cipher

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