Ross is a small incorporated town in Marin County, California, United States, just north of San Francisco. Ross is located 1.5 miles (2.4 km) west-southwest of San Rafael, at an elevation of 36 feet (11 m). The population was 2,415 at the 2010 census. The town is bordered by Kentfield and Greenbrae to the east, Larkspur to the south and San Anselmo to the north.
Ross is named in honor of James Ross, who acquired Rancho Punta de Quentin in 1859.