Nathaniel Blackwell (born February 15, 1965) is an American former professional basketball player and former coach.

He was a 6'4" (1.93 m) and 170 lb (77 kg) point guard who played collegiately for Temple University.

Blackwell averaged 19.8 points per game as a senior at Temple, helping the team finish 32–4.

He was selected by the San Antonio Spurs of the National Basketball Association in the second round (27th pick overall) of the 1987 NBA draft.

[2] Blackwell had been considered a potential successor to John Chaney, but addiction issues ended his coaching career.