Saint Ignatius' College Riverview is an Australian independent single-sex primary and secondary day and boarding school for boys located in Riverview, a small suburb on the Lane Cove River on the Lower North Shore of Sydney.

Established in 1880 by Joseph Dalton SJ, Saint Ignatius' is a Jesuit school in the tradition of Saint Ignatius of Loyola. It is part of the international network of Jesuit schools that began in Messina, Sicily in 1548. Saint Ignatius' College has a non-selective enrolment policy and currently caters for approximately 1,560 students from Years 5 to 12, including 335 boarders in Years 6 to 12.

The College is a member of the Association of Heads of Independent Schools of Australia (AHISA), the Junior School Heads Association of Australia (JSHAA), the Australian Boarding Schools' Association, and is a founding member of the Athletic Association of the Great Public Schools of New South Wales (AAGPS).

Numerous leading contributors to Australian politics, arts, law, religion and sport were educated at Riverview. Notable alumni include former Prime Minister of Australia Tony Abbott; former Deputy Prime Minister of Australia Barnaby Joyce; the current Chief Justice of New South Wales, Tom Bathurst; the current Archbishop of Sydney, Anthony Fisher OP; former Premier of New South Wales Nick Greiner; seventeen former Wallabies, nine Olympians and eight Rhodes Scholars; as well as the first Australian-born astronaut, Paul Scully-Power, and numerous writers including poet Christopher Brennan, art critic Robert Hughes, and playwrights Nick Enright and Justin Fleming.