André de Cayeux de Senarpont (known as André Cailleux, 24 December 1907 – 27 December 1986) was a French paleontologist and geologist known for being a pioneer in planetary geology. In The Anatomy of the Earth, one of his most famous books, Professor Cailleux presents a general introduction to geology, describing what we know of the Earth's external and internal features, its history, and its place in the universe as a whole. He concludes with a discussion of the part that satellites and deep drilling are beginning to play in the study of the anatomy of our planet.