Frederick Karl "Fritz" Nagy (January 3, 1924 – June 5, 1989) was an American professional basketball player in the Basketball Association of America (BAA).

Selected by the Pittsburgh Ironmen in the 1947 BAA draft, Fritz played for just one season, 1948–49, with the Indianapolis Jets.

Nagy played basketball at South High School in Akron, He attended college at North Carolina for one season, leading the Southern Conference with 201 points in the 1942–43 season.

He then transferred to Akron, playing for the Zips from 1943 to 1947.

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