Wilhelm Delp Styer (22 July 1893 – 26 February 1975) was a lieutenant general in the United States Army during World War II. A graduate of the United States Military Academy at West Point with the class of 1916, he was commissioned into the United States Army Corps of Engineers and served with the Pancho Villa Expedition and on the Western Front. Between the wars he obtained a degree in civil engineering from the Massachusetts Institute of Technology. He was executive officer and assistant district engineer of the New York Engineer District.