The Church of St. Augustine and St. John, commonly known as John's Lane Church, is a large Catholic church located on Thomas Street, Dublin, Ireland. It was opened in 1874 on the site of the medieval St. John's Hospital, founded c. 1180. It is served by the Augustinian Order of friars.

Edward Welby Pugin was an English architect, the eldest son of architect Augustus Welby Northmore Pugin and Louisa Barton and part of the Pugin & Pugin family of church architects. His father was an architect and designer of Neo-Gothic architecture, and after his death in 1852 Edward took up his practice. At the time of his own early death in 1875, Pugin had designed and completed more than one hundred Catholic churches.