The Bay Head Historic District is a 440-acre (180 ha) historic district in the borough of Bay Head in Ocean County, New Jersey, United States. This residential district located along the Atlantic Ocean was added to the National Register of Historic Places (NRHP) on February 1, 2006, for its significance in architecture and transportation from 1877 to 1940. It includes 549 contributing buildings, two contributing sites, and one contributing structure. Part of the district extends into Point Pleasant. In 2018, the L. Ron Hubbard Residence at Bay Head, a contributing building featuring Shingle style architecture, was listed individually on the NRHP. The All Saints Episcopal Church was built in 1889 and is the oldest church in the borough. The Bay Head Chapel was remodeled in the 1940s to feature Colonial Revival architecture. The Greenville Arms was designed by architect Wilson Eyre Jr., an innovator of the Shingle style.