Dennis Tyron James (born in Heidelberg, Germany on May 31, 1966) is an African-American bodybuilder. He currently lives in Phoenix, Arizona. His first National Physique Committee (NPC) competition was the NPC Junior USA of 1996, where he placed 13th. In 1999, he competed in his first Night of Champions, where he tied 14th. The following year, in 2000, he competed in his first Arnold Classic, placing 4th.

James has been featured in many fitness and bodybuilding articles, including the cover of FLEX magazine. His first Mr. Olympia was in 2000 as well, where he placed 11th. He has competed in a total of seven Mr. Olympias, with his highest placing coming in 4th in 2003.

In 2010, James said that the 2010 Mr. Olympia will be his last competition. He also said that he has lied about his age in the past and that he will be "45 years old soon".