The ninth season of the American competitive reality television series MasterChef Junior premiered on Fox on March 4, 2024.

[1] The season was won by Bryson McGlynn, an 11-year-old from Opelika, Alabama, with Michael Seegobin from New Smyrna Beach, Florida and Remy Powell from Hollywood, Florida being the runners-up.

On December 20, 2022, the initial casting announcement for a potential ninth season was posted.

[2] The casting notice was re-posted on September 8, 2023 on the show's Twitter page.

This season's winner will receive a $100,000 cash prize and the MasterChef Junior trophy.