John N. Mitchell, American lieutenant, lawyer, and politician, 67th United States Attorney General (d. 1988)
John Newton Mitchell (September 15, 1913 – November 9, 1988) was an American convicted criminal, lawyer, the 67th Attorney General of the United States under President Richard Nixon and chairman of Nixon's 1968 and 1972 presidential campaigns. Prior to that, he had been a municipal bond lawyer and one of Nixon's closest personal friends.

After his tenure as U.S. Attorney General, he served as chairman of Nixon's 1972 presidential campaign. Due to multiple crimes he committed in the Watergate affair, Mitchell was sentenced to prison in 1977 and served 19 months. As Attorney General, he was noted for personifying the "law-and-order" positions of the Nixon Administration, amid several high-profile anti-war demonstrations.