Sir William Glenholme Falconbridge, KC (May 12, 1846 – February 8, 1920) was a Canadian lawyer and judge in Ontario, Canada. Born in Drummondville (now Niagara Falls, Ontario), Upper Canada, he was the son of John Kennedy Falconbridge, an Irish immigrant, and Sarah Fralick. Falconbridge studied at the Richmond Hill grammar school, Barrie grammar school, and at the Model Grammar School in Toronto. He received a BA degree in 1866 from University College, University of Toronto. He served as the chair of modern languages at Yarmouth Seminary in Nova Scotia for his health and then returned to Toronto where he was a lecturer in Spanish and Italian at University College. At the same time, he studied law with the law firm Morphy, Sullivan, and Fenton. He also studied with the firm of Patton, Osler