Hayes is a former settlement in Fresno County, California. It was located 18 miles (29 km) southwest of Mendota.
A post office operated at Hayes from 1893 to 1902. The place was named for its first postmaster, William J. Hayes.
- ^ a b c d Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 1070. ISBN 1-884995-14-4.
Coordinates: 34°04′27″N 118°01′22″W / 34.07417°N 118.02278°W