Susan Brittain Ganong B.Sc., LLD (March 18, 1873 – April 29, 1961) was a widely respected Canadian educator and proprietor of the Netherwood School for girls in the Province of New Brunswick. She was born in Carleton, New Brunswick (now West Saint John), and was known in the family as "Suzie" in order to distinguish her from her mother with the same first name. Her family moved to the town of St. Stephen where her father and uncle Gilbert founded the Ganong Bros. chocolate company. Susan Ganong is the sister of businessmen Edwin and Arthur, and to botanist and educator William. Her sister Kit married Howard P. Whidden, Chancellor of McMaster University in Ontario.