St Pius X College is an independent Catholic primary and secondary day school for boys, located in Chatswood, a lower North Shore suburb of Sydney, New South Wales, Australia. The school was established by the Congregation of Christian Brothers in 1937 and is operated under the auspices of Edmund Rice Education Australia. Oversight of the school is provided by the Catholic Education Office of the Diocese of Broken Bay. Located in the heart of the Chatswood central business district, the school is close to Westfield Shopping Centre and Chatswood railway station.

Chatswood is a suburb in the Lower North Shore of Sydney, in the state of New South Wales, Australia, 10 kilometres north of the Sydney central business district. It is the administrative centre of the local government area of the City of Willoughby.