State Route 191 (SR 191) is a state highway in the U.S. state of California. Known also as Clark Road, it is a spur route off of State Route 70. It connects SR 70 with the town of Paradise.

The route begins at State Route 70 near Oroville. It then heads northward through Butte County and intersects Durham-Pentz Road. It then ends at Pearson Road in Paradise.

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. The entire route is in Butte County.