Duane Paul Ludwig (born August 4, 1978) is an American mixed martial arts coach, retired professional kickboxer and mixed martial artist.
Ludwig formerly held the unofficial fastest knockout record in the UFC after his win against Jonathan Goulet (in 0:06) at UFC Fight Night 3.
Ludwig was regarded as a top lightweight in the world during 2003 and 2004, for his victories over Jens Pulver at UCC 12 and Genki Sudo at UFC 42, up until a loss to B.J.
Penn at K-1 MMA: Romanex.Ludwig has also received acclaim for his role in the success of Team Alpha Male operating out of Sacramento, California, which is home to numerous highly ranked mixed martial artists who have competed in organizations such as the Ultimate Fighting Championship and World Extreme Cagefighting.
Before his move to Colorado, Ludwig previously served as the camp's head coach, where his impact was believed to have had the "missing link" in elevating the team as one of the gold standards for training camps in the world.
Ludwig has been voted the Coach of the Year in 2013 and 2014.
Ludwig was considered the key element in helping Team Alpha Male win Gym of the Year in 2013 by the World MMA Awards.