Archelaus D. Marsh (1844–1904) was an American politician who served as Speaker of the Ohio House of Representatives during 1884 and 1885. Archelaus D. Marsh was born April 19, 1844, on a farm near Buford, Highland County, Ohio. His parents were James P. and Ellen J. (Bachman) Marsh. His father was a native of Virginia and his mother of Pennsylvania, both born in 1812. His parents were married in 1842 in Hamilton, Ohio, and Archelaus D. was their only child. Marsh suddenly died of an "attack of heart trouble" in 1904.