Sacred Heart Cathedral, Bendigo, is the Roman Catholic cathedral church of the Diocese of Sandhurst and seat of Bishop Shane Mackinlay. The cathedral is located in the provincial city of Bendigo, Victoria, Australia.

The Diocese of Sandhurst is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in Australia. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Melbourne. The Diocese of Sandhurst was erected in 1874 and covers the central and north-east regions of Victoria, including Bendigo.