James D. Stacy (March 27, 1930 – October 12, 2016), frequently referred to as Jim Stacy or J.D. Stacy, was an American entrepreneur and former NASCAR Winston Cup Series race car owner whose career spanned 1977 to 1983. His first race as an owner was the 1977 Firecracker 400 while his final race as an owner was at the 1983 Winston Western 500. As a team owner, Stacy employed veteran NASCAR drivers such as Neil Bonnett, Ferrel Harris, Sterling Marlin, Joe Ruttman, Tim Richmond, and Dale Earnhardt. Stacy's vehicles participated in 126 races with four wins, 21 finishes in the top five, and 53 finishes in the top ten. His cars have managed to lead 1,097 laps out of 30,307 – for a grand total of 38,263.6 miles (61,579.3 km).