Macarena Pérez Grasset (born 12 August 1996) is a Chilean Freestyle BMX cyclist, who won the silver medal at the 2019 World Championships.

In 2017 she took second place in the VANS US OPEN on Huntington Beach and that same year she obtained two third places in the FISE WORLD CUP in Montpellier, France and then in Chengdu, China respectively.

[1] In 2019 she took the 2nd place in the Pan American Games[2] and became the first ever Chilean woman to win a world medal in the discipline, taking silver at the UCI Urban Cycling World Championships in Chengdu behind Hannah Roberts of the US.

[3] The judges awarded her 86.80 for a ride that included a perfectly landed suicide no-hander and a tailwhip backflip.

[5] In Paris Pérez obtained fifth place with a score of 84.55, just 4.25 away from the bronze medal.