State Road 15 (NM 15) is a state highway in the US state of New Mexico.

Its total length is approximately 44.3 miles (71.3 km).

NM 15's southern terminus is in the village of Silver City at U.S. Route 180 (US 180), and the northern terminus is a dead end by Cliff Dweller Canyon which is near Gila Cliff Dwellings National Monument.