Cottonwood is a census-designated place (CDP) in Apache County, Arizona, United States. The population was 226 at the 2010 census.
Cottonwood is located about west of Chinle and east of Pinon.
According to the United States Census Bureau, the CDP has a total area of , all land.
The Bureau of Indian Education (BIE) operates the Cottonwood Day School in Cottonwood.
Cottonwood is in the Chinle Unified School District, which operates Chinle High School.