2C or II-C may refer to:
Biology 2C (psychedelics), a family of psychedelic phenethylamines Alpha-2C adrenergic receptor in biochemistry
Technology Apple IIc, a personal computer introduced by Apple Computer in April 1984 Char 2C, a French heavy tank developed during World War I Long March 2C, a Chinese rocket
Other Oflag II-C, a World War II German Army Prisoner-of-war camp located near Woldenburg 2 cents (disambiguation), a coin in certain realms Second Cambridge Catalogue of Radio Sources Two's complement, a system for representing signed integers on computers 2C Media, a television production company based in Miami, Florida In the law of New Jersey, the New Jersey Code of Criminal Justice (Title 2C of the New Jersey Statutes) 2C (musician), a Liberian musician and songwriter
See also C2 (disambiguation) IIC (disambiguation)