Todd William Lyght (born February 9, 1969) is a former professional American football player and former defensive backs coach for the Notre Dame Fighting Irish. Lyght played in the NFL for 12 seasons from 1991 to 2002, finishing with 37 interceptions and 4 touchdowns. His best year as a pro came during the 1999 season with the Super Bowl champion St. Louis Rams, with whom he intercepted six passes for 112 yards and one touchdown and was named to the 1999 All-Pro and Pro Bowl teams.