Player Who Won Most Slam Dunk Contests. Nate robinson has won the slam dunk contest a record three times (2006, 2009, 2010). There have been 25 players crowned the best dunkers in the nba.

Nate robinson has won the slam dunk contest a record three times (2006, 2009, 2010). That’s probably why he is considered to be so great. Nate robinson has won the slam dunk contest a record three times (2006, 2009, 2010).