John Jay Jorgensen (December 28, 1921 – January 19, 1973) was an American professional basketball player.

A 6'2" guard/forward, Jorgensen played two seasons (1947–1949) in the Basketball Association of America as a member of the Chicago Stags, Baltimore Bullets, and Minneapolis Lakers.

He averaged 2.3 points per game in his BAA career and won a championship with the Lakers in 1949.

Jorgensen played on the freshman team of the DePaul Blue Demons during the 1941–42 season.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1920s is a stub.