William Edward Robnett (March 7, 1920 – September 20, 1990) was an American football fullback in the All-America Football Conference (AAFC) for the San Francisco 49ers. He played college football at Agricultural and Mechanical College of Texas (now Texas A&M University) and Texas Technological College (now Texas Tech University) and was drafted in the eighteenth round of the 1946 NFL draft by the Washington Redskins.