Kazuki Masaki (真崎 一輝, Masaki Kazuki, born 22 August 2000) is a Japanese former motorcycle racer.

[1] He won the 2017 Red Bull MotoGP Rookies Cup and made his Moto3 World Championship debut as a wildcard during the 2017 Valencia GP, where he finished 10th.

He joined Moto3 as a full-time rider in 2018 switching from Honda's Asia Talent Team to KTM's RBA BOE.

After two unsuccessful seasons in Moto3, he stepped down to FIM CEV Moto3 Junior World Championship in 2020.

This Japanese biographical article related to motorcycle racing is a stub.