Howard Arthur Bruce Gardiner (3 January 1944 – 10 June 2018) was a Zimbabwean first-class cricketer and international match referee.
He played as a wicketkeeper and useful lower-order batsman for Rhodesia from 1965 to 1976. After retiring he became a match referee, beginning in an ODI between Pakistan and Sri Lanka at Singapore in 1996. He went on to referee four more ODI games as well as a Test match at Centurion in 1998.
He was managing director of BOC Zimbabwe Ltd.