Johnny Ringo (1850–1882) was an American Old West outlaw.
John Ringo or Johnny Ringo may also refer to:
People John Ringo (born 1963), American author Johnny Ringo (musician) (1961–2005), Jamaican reggae deejay
Other uses "Johnny Ringo", the third episode of the 1966 Doctor Who serial The Gunfighters Johnny Ringo (TV series), a Western television series