St Andrew's Cathedral is a cathedral church of the Anglican Diocese of Sydney in the Anglican Church of Australia. The cathedral is the seat of the Anglican Archbishop of Sydney and Metropolitan of New South Wales. The position of Dean of Sydney has been held by the Very Reverend Sandy Grant since 9 December 2021.

The Diocese of Sydney is a diocese in Sydney, within the Province of New South Wales of the Anglican Church of Australia. The majority of the diocese is evangelical and low church in tradition.