The Balgowlah Boys Campus of Northern Beaches Secondary College is a government-funded single-sex comprehensive secondary day school for boys only, located in Balgowlah, a suburb on the Northern Beaches of Sydney, New South Wales, Australia.
Established in 1954 as Balgowlah Boys High School, the campus enrolled approximately 1142 students in 2023 from Year 7 to Year 12, of whom one percent identified as Indigenous Australians and 26 percent were from a language background other than English. The school is operated by the NSW Department of Education in accordance with a curriculum developed by the New South Wales Education Standards Authority; the principal is Richard Medcalf.
Balgowlah Boys Campus is a part of the Northern Beaches Secondary College, a five-campus college across Sydney's Northern Beaches, formed in 2003. The school was previously a High School. Balgowlah Boys Campus is also school, in .