Terrence Richard Ley (born 21 February 1947, Portland, Oregon) is a retired baseball pitcher who began his career in the 1971 season for the New York Yankees. He was a student of University of Oregon before he was drafted in the 3rd round of the January 1967 draft and was 24 when he made his major league debut on August 20, 1971 for the Yankees. He played in 6 major league games.