Justin Robinson (born March 30, 2002) is an American sprinter specializing in the 400 meters.

Robinson's speed was noticed after winning a footrace and playing football with a cousin in his freshman year of high school, who introduced him to track and field.

[1] Robinson set a new Boy's World Youth Best of 44.84 seconds over 400 metres on June 8, 2019.

At the 2018 IAAF World U20 Championships in Tampere, Finland, Robinson won a silver medal as part of the men's 4×400 m relay squad.

[4] His 2020 season was limited due to the COVID-19 pandemic, but in his only 400 m race he ran 44.91 s, the fastest time in the world that year.