John Lee Gray Jr. (born June 19, 1960) is a retired American world class 800 meter runner from the mid-1980s to the late 1990s and the holder of the 600m world best. A four-time-Olympian (1984-1996) in 1985 he set the US record of 1:42.60 at a meet in Koblenz. That time puts Gray as the nineteenth fastest performer of all time. He came seventh in the 1984 Summer Olympics, fifth in 1988, and won the bronze medal at the Barcelona Olympics of 1992. In 1993 Gray was one of the favourites to win a gold medal at the World Championships in Stuttgart as he had won the A-race at the prestigious meeting in Zurich. However, he failed to qualify for the final in Stuttgart. He also set the world 600 meter record in 1986 at 1:12.81. In 1992 and 1993 Gray came close to breaking the world indoor record over 800 m several times. He held the US indoor record at 1:45.00 (Sindelfingen 1992) till February 2019.