Michael Simms Jr (born July 26, 1974) is an American former professional boxer who competed from 2000 to 2012.

As an amateur, he won a gold medal at the 1999 World Championships at light heavyweight.

Simms won the tournament in Houston 1999 by beating David Haye 8–2, Humberto Savigne of Cuba 5–1, defeating Ali Ismayilov of Azerbaijan by 7–5 and getting a controversial 3–3 (countback 33–26) decision over John Dovi of France in the final.

[citation needed] A year later, Simms was dropped from the Olympics 2000 team for breaches of discipline, and replaced with.

[1][1] He turned pro in 2000 but disappointed displaying a world class chin but moderate power and questionable work ethic.