Théodore Robitaille, PC (29 January 1834 – 17 August 1897) was a Canadian physician, politician, and the fourth Lieutenant Governor of Quebec.Born in Varennes, Lower Canada, the son of Louis-Adolphe Robitaille (pronounced "ro-bee-tah-yeh") and Marie-Justine Monjeau, he was baptized as Louis-François-Christophe-Théodore. A physician, he graduated from McGill College in 1858 and settled in New Carlisle, Quebec.