Cottonwood River

Cottonwood River may refer to one of four rivers in North America:


 * Cottonwood River (Kansas), a tributary of the Neosho River
 * Cottonwood River (Minnesota), a tributary of the Minnesota River
 * Cottonwood River (Dease River tributary), originating in the northern Stikine Ranges of British Columbia
 * Cottonwood River (Fraser River tributary), originating in Cariboo District, British Columbia, Canada
 * Little Cottonwood River, a tributary of the Minnesota River