Robert Scott Van Duyne (born May 15, 1952) is an American former professional football player who was a guard for seven seasons with the Baltimore Colts of the National Football League (NFL).

He played college football for the Idaho Vandals.

[1] Van Duyne was regarded as a versatile reserve player by the Colts, able to play all three interior line positions — center, guard, and tackle.

[2] His primary role was that of a special teams player,[2] appearing in all but five games during the first six seasons of his professional career.

This biographical article relating to an American football offensive lineman born in the 1950s is a stub.