Donald McNaughton (March 29, 1830 Mumford, Monroe County, New York – July 30, 1893 Chicago, Illinois) was an American lawyer and politician from New York.
He attended the district schools, and then became a millwright, and later a clerk. Then he studied law, was admitted to the bar, and practiced in Wheatland. He was Secretary and Treasurer of the Rochester and State Line Railroad.
He was Supervisor of the Town of Wheatland for eight years; Chairman of the Board of Supervisors of Monroe County for one year; and a member of the New York State Senate (29th D.) from 1888 to 1891, sitting in the 111th, 112th, 113th and 114th New York State Legislatures. In 1892, he ran for Congress in the 31st District but was defeated by Republican John Van Voorhis.
In April 1892, he was appointed as Chief Executive Officer of the New York State World's Fair Commission, and died on July 30, 1893, in the New York State Building at the World's Columbian Exposition in Chicago, of peritonitis.