The Peloncillo Mountains of Cochise County (Spanish language pelo, hair, pelon, hairless, bald; peloncillo, Little Baldy) is a mountain range in northeast Cochise County, Arizona.

The range lies in a region of southeast Arizona and southwest New Mexico called the Madrean Sky Islands.

The Peloncillo Mountains of Cochise County are a 35 mi (56 km) long range.

The southern section of the range is a northwest by southeast region, and contains the Peloncillo Mountains Wilderness.

[2] Midway Peak is just west of the northern part of the wilderness and is surrounded by it: center-north, northeast, east, and southeast.