The 2024 AMA Supercross Championship was the 51st season of off-road stadium motorcycle racing in the United States.

[1] Chase Sexton went into the season as the reigning champion in the premier 450SX class.

In his rookie season in the 450SX class, The Australian Jett Lawrence won eight main events to take the title since Chad Reed in 2008.

After ten years in the professional ranks, RJ Hampshire won his first supercross title in the 250SX West class, whilst former two-time FIM Motocross World Champion Tom Vialle won his first supercross title in the 250SX East class.

The series formed the first part of the 2024 SuperMotocross World Championship.