Sir John Robert Bennett (August 8, 1866 – October 23, 1941) was a merchant and politician in Newfoundland. He represented St. John's West from 1904 to 1923 and Harbour Grace from 1924 to 1928 in the Newfoundland House of Assembly. Bennett was named a Knight Commander of the Order of the British Empire in 1926; also in 1926, he was named District Grand Master of English Freemasonry in Newfoundland. He was married twice, first to Laura Taylor in 1891 and then to Beatrice Shannon Greaves in 1936.