Fortuna is a ghost town in Yuma County in the U.S. state of Arizona. It was located on the Southern Pacific's Sunset Route.

Fortuna was a mining town named for the Fortuna Mine or La Fortuna Mine in the Gila Mountains, discovered about 1893 by Charles Thomas, William Holbert, and others, in 1893 in Arizona Territory.^[1] It had its own post office from September 1896 that was discontinued in November 30, 1904 being replaced by Blaisdell, Arizona.^[2][3]