The 2021 Colorado wildfire season was a series of wildfires that burned throughout the U.S. state of Colorado.

According to the National Interagency Fire Center, as of July 1, 2021, at least 32,860 acres (13,300 ha) of land had burned in at least 337 wildland fires across the state.

[3][4] Hundreds of homes were burned, and the cities of Louisville and Superior were evacuated, during the Boulder County fires in late December.

[5] The following is a list of fires that burned more than 1,000 acres (400 ha) or produced significant structural damage or casualties.