Alexander Harper (February 5, 1786 – December 1, 1860) was a U.S. Representative from Ohio for three different non-consecutive tenures in the mid-19th century.
Born near Belfast in the Kingdom of Ireland, Harper immigrated to the United States and settled in Zanesville, Ohio.
He served as president judge of the Court of Common Pleas 1822–1836.
He died in Zanesville on December 1, 1860, and was interred in Greenwood Cemetery.
This article incorporates public domain material from the Biographical Directory of the United States Congress