Robert Oliver Demming (born 5 May 1947) is a Trinidadian born former cricketer. Demming was a right-handed batsman who bowled right-arm fast-medium. Demming made his debut for Bedfordshire against Shropshire in the 1972 Minor Counties Championship. He played Minor counties cricket for Bedfordshire from 1972 to 1977, making 38 Minor Counties Championship appearances. He made his List A debut against Lancashire in the 1973 Gillette Cup. He was dismissed for 17 runs by Jack Simmons in Bedfordshire's innings, a match which Lancashire won by 127 runs. He made a further List A appearance against Northumberland in the 1977 Gillette Cup. In this match, he was dismissed for 17 runs by John Woodford, with Northumberland winning by 9 wickets.