Henry Cousins (February 7, 1827 – October 25, 1888) was an American lawyer and politician.
Cousins was born in Mayville, New York where he received his education.
He moved to Elyria, Ohio and studied law.
In 1848, Cousins was admitted to the Ohio bar.
In 1850, Cousins moved to East Troy, Wisconsin and continued to practice law.
He moved to Eau Claire, Wisconsin in 1866.
In 1867, Cousins, a Republican, was elected district attorney for Eau Claire County, Wisconsin.