Bruce Whyte MacPherson MLC (18 January 1891 - 31 October 1971) was a Second Deemster in the Isle of Man.
He was the last Second Deemster to sit in the Legislative Council ex officio before the 1965 Act removed the right.
He sat in the Court of General Gaol and his sentences for criminal offences were always fair.
He always regarded the crime of breaking and entering private property as particularly serious, and believed that the public were entitled to the privacy of their own homes and that any invasion of this privacy should be severely punished.MacPherson was also a leading authority on genealogy and heraldry.
He was also Vice President of the Royal British Legion and Captain of the Parish of Santon from 1964.