Fernley is a city in Lyon County, Nevada, United States, and part of the Reno–Tahoe-Sparks metropolitan area CSA. The city was incorporated in 2001. The population of the city was 22,895 at the 2020 census, making it the 7th most populous city in Nevada.

Lyon County is a county in the U.S. state of Nevada. As of the 2020 census, the population was 59,235. Lyon County comprises the Fernley, NV Micropolitan Statistical Area which is part of the Reno-Carson City-Fernley, NV Combined Statistical Area.