Skull Valley (Yavapai: Pa:qwawa Kyo) is a small, unincorporated town in Yavapai County, Arizona, United States.

[2] As of the 2020 census, the population in the Skull Valley Elementary School District was greater than 800 people.

[3] Skull Valley was so named when settlers found human remains resulting from a previous battle between Native Americans.

The area's history is preserved by the Skull Valley Historical Society, which operates a free museum.

Robert L. Pearson, a native of the area and retired wildlife manager, created an online photo gallery of the area's insects.