Michael James de Grey Allingham (born 6 January 1965) is a former Scotland international cricketer and a former Scotland 'B' international rugby union player. He was born at Inverness in 1965.
Allingham played as a right-handed batsman and a right-arm medium-pace bowler. He was educated at Strathallan School. He played 49 matches for Scotland, including first class, List A, international and ICC Trophy matches.
He played as a scrum-half in rugby union for Heriot's. He played provincially for North and Midlands and later played for Edinburgh District. He was capped by the Scotland 'B' side on 28 December 1991 to play against Ireland 'B'.
Allingham retired from rugby following a knee injury.
In 2016, he was the head of sport at Edinburgh Academy.