Leonard Maison was an American lawyer and politician from New York.
He married Helen Emott, and they had several children, among them Rev.
Charles Augustus Maison (1824–1922); and Belinda Emott (Maison) Coffin (1821–1856) who was married to Owen T. Coffin.
He was a brigadier general of artillery in the New York State Militia.
This article about a member of the New York State Senate is a stub.