Justice John Adrian St. Valentine W. Jayewardene (1877–1927) was a Ceylonese (Sri Lankan) judge and lawyer. He was a Judge of the Supreme Court of Ceylon. Born to James Alfred Jayewardene, a Proctor who was the Deputy Coroner of Colombo. His brothers included Hector Alfred Jayewardene who was an advocate and member of the Colombo Municipal Council, Colonel Theodore Godfrey Wijesinghe Jayewardene was a Member of the State Council for Balangoda electorate and Eugene Wilfred Jayewardene who also became a Judge of the Supreme Court.