Billy Leon Jenkins Jr. (born July 8, 1974 in Los Angeles, California) is a former professional American football defensive back in the National Football League. He played for the St. Louis Rams (1997–1999), the Denver Broncos (2000–2001), the Green Bay Packers (2001), and the Buffalo Bills (2002). He played in Super Bowl XXXIV for the Rams where he started at safety. After the 1999 season, the Rams traded Jenkins to the Denver Broncos for a fifth-round pick in the 2000 NFL Draft.
He is an alumnus of Howard University. Jenkins is currently a defensive backs coach at his alma mater.