Robert Greig Davidson (21 July 1875 – 3 August 1948) was a Liberal party member of the House of Commons of Canada.
Davidson attended high school in Sherbrooke and then St. Charles Borromeo College in Charlesbourg.
He became a trustee of Stanstead Wesleyan College and director of the Western Townships Agricultural Association.
Davidson lost the resulting by-election on 9 August 1943 to Joseph-Armand Choquette.
This article about a Quebec Member of Parliament from the Liberal Party of Canada is a stub.