Donavan Brazier is an American middle-distance runner and 800m World Champion. 

Donavan turned professional in 2016, and three years later set a new 800m personal best time of 1.42.70 en route to winning the Diamon League meet in Zurich. Later in 2019, Donvan went on to win the 800m at the World Championships in Dohawith a time of 1.42.34, setting a new championship record and a new American record.