Adon P. Brown (October 12, 1873 – April 22, 1942) was an American lawyer and politician from New York.
He practiced law in Leonardsville.
Brown was a member of the New York State Senate from 1917 to 1920, sitting in the 140th, 141st (both 37th D.), 142nd and 143rd New York State Legislatures (both 39th D.); and was Chairman of the Committee on Agriculture in 1920.
He died on April 22, 1942, in Tampa, Florida; and was buried at the Leonardsville Cemetery.
New York Solicitor General Wendell P. Brown (c.1884–1966) was his brother.