Henry Bancroft "Deac" Twombly (November 10, 1862 – February 28, 1955) was an American college football player and lawyer.
Walter Camp played in the same backfield on the 1881 Yale Bulldogs football team.
He participated the incorporation of General Electric and the Otis Elevator Company.
At the time of his death, he was last living man who played football at Yale with Camp.
This biographical article relating to a college football player is a stub.