William Starling Poole (born July 24, 1981 in Beckley, West Virginia) is an American football defensive back who is currently playing for the Sacramento Mountain Lions of the United Football League. He was drafted by the Miami Dolphins in the fourth round of the 2004 NFL Draft. He played college football at Southern California. Poole has also been a member of the Kansas City Chiefs, Toronto Argonauts and Hamilton Tiger-Cats.