Arthur Dunbar Whatman (13 February 1873 – 28 May 1965) was an English cricketer of the early twentieth century who played as a wicketkeeper for Suffolk County Cricket Club, a non-first class team that is one of the minor counties of English cricket. His first class experience came from representative team tours to New Zealand and the West Indies, in which he played twenty-six games, score 394 runs at a batting average of 14.07, taking 21 catches and executing nine stumpings. He had a prominent involvement in a dispute involving Bernard Bosanquet and a disagreement over an umpiring decision during a match against Canterbury during Lord Hawke's 1902-03 tour of New Zealand. He was born in Westcott, Dorking, Surrey and died in Bury St Edmunds, Suffolk.