CIH or cih may refer to:
Cihan Alptekin (1947 - 30 March 1972) was a Turkish politician and militant who was a leader in left-wing organizations such as People's Liberation Army of Turkey, and the Revolutionary Youth Federation of Turkey, a Marxist organization.
CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows 9x computer virus which first emerged in 1998. Its payload is highly destructive to vulnerable systems, overwriting critical information on infected system drives, and in some cases destroying the system BIOS.
CIHF-DT (branded on-air as Global Halifax) is the Global owned-and-operated television station, serving Nova Scotia that is licensed to Halifax.
Cihan Kaan Kaptan (born 4 March 1989 in Wuppertal) is a German footballer, who plays for Ofspor in the TFF Second League.
Emin Cihangir Akşit (born July 16, 1953) is the current Director of the NATO Standardization Agency (NSA).
Cihat is a Turkish given name for males, meaning Jihad. People named Cihat include:
Cihan Kaan (born 1976) is a musician, filmmaker and author from the United States, who resides in New York.
The Cihai is a large-scale Chinese dictionary and encyclopedia. The Zhonghua Book Company published the first Cihai edition in 1938, and the Shanghai Lexicographical Publishing House revised editions in 1979, 1989, 1999, and 2009. A standard bibliography of Chinese reference works (Teng and Biggerstaff 1971:134) calls the Cihai an "outstanding dictionary".
Cihan Tasdelen (born 6 June 1975) is a German football manager, currently managing Preußen Münster U19.