Gabriel Oliveira Constantino (born 9 February 1995) is a Brazilian hurdler.

Constantino finished 6th in the men's 60 metres hurdles at the 2018 IAAF World Indoor Championships.

[3] To qualify for the championships, he equaled at national and South American record of 7.60 seconds.

In July 2019, in Hungary, he hit again the South American record of 110m hurdles, with a time of 13.18.

[5] At the 2019 Pan American Games in Lima, Gabriel arrived as a favorite for gold and qualified for the final in 1st place, with a time of 13.42.