Sidney Warren DeLavis (1873 – 1965) was an eminent Anglican clergyman in the 20th century. He was born in 1873, educated at St Augustine's College, Canterbury and ordained in 1899. He was Rector of St Paul’s, Cape Town, then the area’s Archdeacon before his appointment as Dean of Cape Town. In 1931 he was consecrated Coadjutor Bishop of Cape Town.
He died in July 1965.