Navajo County, Arizona

Navajo County (Navajo: Tʼiisyaakin Áłtsʼíísí Bił Hahoodzo) is a county in the northern part of the U.S. state of Arizona. As of the 2020 census, its population was 106,717. The county seat is Holbrook.

Navajo County comprises the Show Low, Arizona Micropolitan Statistical Area.

Navajo County contains parts of the Hopi Indian reservation, the Navajo Nation, and Fort Apache Indian Reservation.