Oklahoma State Highway 171

State Highway 171
Route information
Maintained by ODOT
Length:	21.5 mi (34.6 km)
Major junctions
South end:	US-287 northeast of Kerrick, TX
North end:	US-56 in Keyes
Highway system
Oklahoma State Highways Oklahoma Turnpike System ← US-169 US-177 →

State Highway 171, abbreviated as SH-171 or OK-171, is a state highway in Cimarron County, Oklahoma, in the Oklahoma Panhandle. It runs for 21½ miles (34.6 km) north and south through the eastern part of the county, connecting U.S. Highway 287 near the Oklahoma-Texas state line to US-56 in Keyes. The only other highway it intersects with is US-64/412/SH-3, three miles (5 km) south of Keyes.

SH-171 has no lettered spur routes.