Utah State Route 170

Utah State Route 170 may refer to:


 * Utah State Route 170 (1992-1993), a former state highway in northwestern Sevier County, Utah, United States, that connected Utah State Route 24 (south of Aurora) with U.S. Route 50 (about 3.5 mi west of Scipio), via Aurora, and was renumbered Utah State Route 260 in 1993. (From 1955 to 1969 this roadway had also been designated as Utah State Route 256.)
 * Utah State Route 170 (1935-1969), a former state highway in the Cache Valley in Cache County, Utah, United States, that connected Utah State Route 142 in Trenton with Utah State Route 1 (U.S. Route 91) in Richmond and was added to Utah State Route 142 in 1969