River fire

River fire may refer to:


 * Mendocino Complex Fire, a 2018 California wildfire that consisted of the smaller fires, the River Fire and the Ranch Fire
 * Cuyahoga River in Ohio, a river famous for catching fire in 1969
 * River Fire (2020), a wildfire in Monterey County, California
 * River Fire (2021), a wildfire in Placer and Nevada Counties, California
 * River Complex 2021 fires, a wildfire complex in Siskiyou County, California