Dennehotso (Navajo: Deinihootso) is a census-designated place (CDP) in Apache County, Arizona, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 10.0 square miles (25.8 km2), all land.

[8] The Bureau of Indian Education (BIE) operates the Dennehotso Boarding School, serving grades K–8.

The previous buildings scheduled for demolition had a total of 78,626 square feet (7,304.6 m2) of space.

[10] The school provides transportation for students between Baby Rocks and Mexican Water and asks families living outside of that area and/or distant from the highway to use the dormitory.