St John's Church, Waterloo, is an Anglican Greek Revival church in South London, built in 1822–24 to the designs of Francis Octavius Bedford. It is dedicated to St John the Evangelist, and with St Andrew's, Short Street, forms a united benefice.

The Diocese of Southwark is one of the 42 dioceses of the Church of England, part of the worldwide Anglican Communion. The diocese forms part of the Province of Canterbury in England. It was created on 1 May 1905 from part of the ancient Diocese of Rochester that was served by a suffragan bishop of Southwark (1891–1905). Before 1877 most of the area was part of the Diocese of Winchester, some being part of the Diocese of London.