Andrew Bray Dickinson (August 29, 1801 – April 21, 1873) was an American politician from New York.
Marshal for the Northern District of New York, and on January 15, 1863, Thomas H. Clay presented his credentials as U.S. Minister to Nicaragua.
Marshal was confirmed by the U.S. Senate on March 18, 1863, but Edward Dodd was appointed to succeed as U.S.
He acquired a sugar cane plantation in Nicaragua and remained in the country after the end of his diplomatic mission.
He died on April 21, 1873, in León, Nicaragua, from complications after a fall from a mule, and was buried at the Woodlawn Cemetery (Elmira, New York).