Walter Herman Sumner (born February 2, 1947) is a former American football player who was selected by the Cleveland Browns in the seventh round of the 1969 NFL/AFL draft.

safety from Florida State University, Sumner played in 6 NFL seasons from 1969 to 1974.

At Florida State, he was a two-sport star as an outfielder and defensive back.

His 11 collegiate interceptions and two punt returns for touchdowns led to his induction into the FSU Hall of Fame in 1982.

This biographical article relating to an American football defensive back born in the 1940s is a stub.