Dean Macey is an English athlete from Canvey Island. He is best known for competing in the decathlon, which he did from 1995 to 2008, winning the Commonwealth Games decathlon, two World Championship medals, as well as twice finishing fourth in the Olympic Games. Retiring from decathlon due to injury, he has competed in the bobsleigh since 2008.
A popular media figure during and after his athletics career, he is a keen angler and has presented an angling television series "On Coarse" for the Discovery Channel. He has also set a record time on the Total Wipeout Qualifier.