Iowa Corn 350
| NASCAR Cup Series | |
|---|---|
| Venue | Iowa Speedway | 
| Location | Newton, Iowa, United States | 
| Corporate sponsor | Iowa Corn | 
| First race | 2024 | 
| Distance | 306.25 mi (492.862 km) | 
| Laps | 350 Stage 1: 70 Final 2 stages: 140 each | 
| Most wins (driver) | Ryan Blaney (1) | 
| Most wins (team) | Team Penske | 
| Most wins (manufacturer) | Ford | 
| Circuit information | |
| Surface | Asphalt | 
| Length | 0.875 mi (1.408 km) | 
| Turns | 4 | 
The Iowa Corn 350 powered by Ethanol is a NASCAR Cup Series stock car race held at Iowa Speedway in Newton, Iowa. It was NASCAR Cup Series' first race at Iowa Speedway and first race in the state of Iowa.
Ryan Blaney is the defending race winner, having won it in 2024.