John Hanrahan was an American farmer and politician.
Born in Massachusetts, Hanrahan was a farmer and lived in the town of Granville, Wisconsin, in the community of Good Hope, Wisconsin. He served in the Wisconsin State Assembly in 1861 and 1863 as a Democrat.
Category:Year of birth unknown
Category:Year of death unknown
Category:People from Massachusetts
Category:People from Granville, Wisconsin
Category:Democratic Party members of the Wisconsin State Assembly meer