Quincy Downing (born 16 January 1993) is an American sprinter, hurdler, and 800 metres runner.

He was a part of the gold medal-winning 4 × 400 metres relay team at the 2012 World U20 Championships.

Downing grew up in Cleveland, Ohio where he attended Glenville High School.

[2] As a prep, Downing was considered more of a middle-distance runner with a high school personal best of 1:51.99 in the 800 metres.

[2] In college as a member of the LSU Tigers track and field team, Downing began to focus more on the 400 m and 400 m hurdles while still occasionally competing in the 800 m.[2] In 2012, Downing won his first global gold medal at the 2012 World Junior Championships in the 4 × 400 m.[3] Downing went on to win three NCAA 4 × 400 m relay national championship titles representing LSU, at the 2014 NCAA Division I Indoor Track and Field Championships and at the 2015 NCAA Division I Outdoor Track and Field Championships.