State Route 319 is a state highway in Lincoln County, Nevada. The route connects the town of Panaca to Modena, Utah. SR 319 has been part of the state highway system since at least 1932, and was part of the longer State Route 25 prior to the late 1970s.

Lincoln County is a county in the U.S. state of Nevada. As of the 2020 census, the population was 4,499, making it the fourth-least populous county in Nevada. Its county seat is Pioche. Like many counties in Nevada, it is dry and sparsely populated, though notable for containing the Area 51 government Air Force base.