State Road 185 (NM 185) is a 35.397-mile-long (56.966 km) state highway in the US state of New Mexico.

NM 185's southern terminus is at U.S. Route 70 (US 70) and the northern terminus of NM 188 in Las Cruces, and the northern terminus is at NM 26 in Hatch.

NM 185 was once part of a former routing of US 85.

The entire route is in Doña Ana County.

Media related to New Mexico State Road 185 at Wikimedia Commons