John Blackwell "Sprat" Cobb (August 4, 1904 – September 9, 1966) was an American college basketball player at the University of North Carolina at Chapel Hill.

Cobb and Cartwright Carmichael led the Tar Heels to their first undefeated season in 1924.

[5] Cobb was named national player of the year for 1926 by the Helms Athletic Foundation.

After defeating Alabama in the Southern Conference tournament, some 500 students marched to Cobb's house in Durham and woke up the household with fight songs.

[8] Cobb's dreams of pursuing a coaching career were dashed when he had a motorcycle accident in 1929 and lost part of his lower right leg.