St John's Anglican Church also known as St John the Evangelist Church, is the historic Anglican parish church of Fremantle, Western Australia. The first Georgian-style church close to the present site was opened in 1843, and then replaced with a larger Gothic building nearby in 1882. The older building was demolished, which allowed Fremantle Town Hall to be built and for the High Street to be extended, giving the Kings Square its current shape. The church is part of the Anglican Diocese of Perth, and currently forms a parish jointly with St. Peter's in Palmyra.