Westhaven, Fresno County, California

Westhaven is an unincorporated community in Fresno County, California. It is located 16 mi south-southwest of Riverdale, at an elevation of 279 feet (85 m).

A post office operated at Westhaven from 1918 to 1958.

During World War II was the site of a training landing strip called Boston Field, part of Lemoore Army Air Field.