Lacau is a French surname. Notable people with the surname include:
- Georges Loustaunau-Lacau (1894–1955), French army officer and politician
- María Hortensia Lacau (1910-2006), Argentine pedagogue, writer, essayist, poet, educator
- Pierre Lacau (1873–1963), French Egyptologist and philologist
Surname listThis page lists people with the surname Lacau. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Categories: