Marshall Cousins (September 4, 1869 – February 28, 1939) was an American businessman, historian, military officer, and politician.
In 1888, Cousins joined the Wisconsin National Guard and was commissioned a colonel in 1916.
He served in the Wisconsin Assembly in 1895 and 1896 from Eau Claire and was a Republican.
He died from injuries after being hit by an automobile in Madison, Wisconsin.
This article about a Republican Party member of the Wisconsin State Assembly born in the 1860s is a stub.