Michael Blackwood (born 29 August 1976 in Clarendon) is a Jamaican male track and field athlete, who specialized in the 400 meters, his personal best being 44.60 set during his win at the 2002 IAAF World Cup.

He is the brother of Catherine Scott who earned a silver medal in the 2000 Sydney Olympic Games.

Blackwood holds the Big 12 conference record in the 400 meters since 2000 in the time of 44.69.

Blackwood was the 400 meters gold medallist at the 2002 Commonwealth Games, the bronze medallist at the 2003 World Championships, the winner at the 2002, 2003 and 2004 IAAF World Athletics Final, eighth in the Athletics at the 2004 Summer Olympics – Men's 400 meters at the 2004 Olympic Games, and a semi-finalist at the 2005 World Championships.

The IAAF gave Young a life ban as a result and annulled his performances.