Mordaunt Henry Caspers Doll (5 April 1888 – 30 June 1966) was an English first-class cricketer. The son of Charles Fitzroy Doll, he was educated at Charterhouse School where he excelled as a schoolboy cricketer between 1905 and 1907. He scored 195 runs against Westminster School in his final year at school as he and RLL Braddell put on a stand of 214 in the last hour. From Charterhouse he went up to Trinity College, Cambridge. His brother, Christian, was also a first-class cricketer.