David Maryanayagam Swamidoss Pillat (born 1905 in Vallambury - died July 16, 1969 at Kumbakonam Diocese) was an Indian clergyman and prelate for the Roman Catholic Diocese of Vellore. He was appointed bishop in 1956.[1] He succeeded Bishop Pablo Mariaselvam.
During his time as bishop he oversaw the construction of seven churches, fifty chapels, nine presbyteries and seven convents; his motto was ‘Let Jesus and Mary Reign’.[2]
He was succeeded by Bishop Royappan Antony Muthu.[3]