Alex Ribeiro (born 1989) is a Brazilian professional surfer who competes on the World Surfing League Men's World Tour since 2016.
Ribeiro earned a spot on the 2016 World Championship Tour season by finishing in 8th place on the 2015 WSL World Qualifying Series season. Alex finished the 2016 season in 35th place, failing to requalify for the next season. He returned to the CT again in the 2021 season, after he finished 6th in the 2019 QS. He again failed to requalify for the next season and did not return to the CT.