Fortuna is an unincorporated community and census-designated place in Moniteau County, Missouri, United States.

California, the Moniteau county seat, is 17 miles (27 km) to the northeast.

According to the U.S. Census Bureau, the Fortuna CDP has an area of 0.20 square miles (0.52 km2), all land.

North Moreau Creek is an east-flowing tributary of the Moreau River, which joins the Missouri River near Jefferson City, while Little Richland Creek is a northwest-flowing tributary of the Lamine River, which runs north to the Missouri west of Boonville.

This Moniteau County, Missouri state location article is a stub.