Mary van de Ven was a Human Starfleet officer in the mid-24th century.

In 2364 she held the rank of captain and was the commanding officer of the USS Elmer Fudd. In that year, prior to stardate 41775, she received a mission order about the testing of the Mark 25 warp sensor from Vice Admiral Maxwell Headroom of Starfleet Mission Operations Division. (TNG: "Conspiracy")