Mar Dionysius II, born Pulikkottil Joseph Ittoop (15 January 1742 – 24 November 1816) was 10th Malankara Metropolitan for nine months until his death on 24 November 1816. He dethroned Mar Thoma IX and succeeded him by the favour of Col.John Munroe, then British Resident of Travancore. Despite the brevity of his reign he made lasting contributions to the Malankara Orthodox Syrian Church.