St Austin's

St Austin's may refer to:
 * St Austin's Church, Grassendale, Merseyside, England
 * St Austin's Church, Wakefield, West Yorkshire, England
 * St. Austin's Military School, a defunct American military academy
 * St Austin's Priory, a monastic house in Devon, England
 * St Austin's, a fictional school in the works of P. G. Wodehouse