2024 SuperMotocross World Championship

The 2024 SuperMotocross World Championship was the second edition of the premier combined discipline off-road motorcycle racing competition, held in the United States. Combining the AMA Supercross Championship and the AMA Motocross Championship, along with three final SuperMotocross rounds, the total length of the series ran from January to September.

Jett Lawrence went into the season as the reigning overall champion in the 450cc class, whilst Haiden Deegan began the campaign as the defending champion in the 250cc class.