State Route 446 (SR 446) is a 13.156-mile-long (21.173 km) state highway serving Washoe County, Nevada.

The route runs from SR 445 (Pyramid Lake Highway) to SR 447 (Gerlach Road) at the town of Nixon.

[1] SR 446 became a Nevada Scenic Byway on June 27, 1996, and was designated part of the Pyramid Lake National Scenic Byway on July 15 of that year.

[2] The entire route is in Washoe County.