Marie-Louise Globensky, Lady Lacoste (2 February 1849 – 11 December 1919), was a French-speaking Canadian philanthropist and diarist from the province of Quebec. She served as patroness for schools, orphans' homes, and several hospitals, including Sainte Justine (founded by her daughter Justine Lacoste-Beaubien), Hôpital Notre-Dame, and the Youville Foundling Hospital. Globensky was president of many benevolent societies, such as Château Ramezay and the Asile de la Providence. Appointed by her daughter Marie Lacoste Gérin-Lajoie, she served as vice-president of the and supported women's suffrage, as long as social order was maintained. She also joined the , served on its board, and helped develop programs designed to help working women. A prolific diarist, her journals have contributed to