Edward Porter Alexander (January 11, 1907 – July 31, 2003) was an American historian, museum administrator, educator and writer.
He served as director of the New York State Historical Association at Ticonderoga and Cooperstown from 1934 to 1941.
For nearly 30 years, he directed activities as the vice president for interpretation at Colonial Williamsburg from 1946 to 1972.
Following this, he founded the Museum Studies Program at the University of Delaware, which he directed from 1972 until his retirement in 1978.
Deeply engaged in museum operations, he was elected president of the American Association of Museums and the American Association for State and Local History.