Robert Malcolm McGregor (January 9, 1876 – September 9, 1924) was a wholesale grocer, lumber merchant and political figure in Nova Scotia, Canada.
He represented Pictou County in the Nova Scotia House of Assembly from 1904 to 1924 as a Liberal member.
He was born in New Glasgow, Nova Scotia, the son of James Drummond McGregor and Elizabeth McColl, and was educated at Dalhousie University.
McGregor served as a member of the province's Executive Council from 1911 to 1920.
This article about a Liberal party Member of the Nova Scotia House of Assembly is a stub.