Mohave Valley is an unincorporated community and census-designated place (CDP) in Mohave County, Arizona, United States. The population was 2,693 at the 2020 census. It is geographically connected to Needles, California, Fort Mohave and Bullhead City.

Mohave County is in the northwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 213,267. The county seat is Kingman, and the largest city is Lake Havasu City. It is the fifth largest county in the United States.