Charles Hyde Warren (September 27, 1876 – August 16, 1950) was an American geologist. He grew up in Watertown, Connecticut. He graduated from the Sheffield Scientific School in 1896. He was on the faculty of the Massachusetts Institute of Technology from 1900 to 1922. He was Sterling Professor and chair of Geology at Yale University and Dean of the Sheffield Scientific School starting in 1922. He was also professor of Mineralogy. In 1908, he was elected a Fellow of the American Academy of Arts and Sciences.^[1] He was elected to the American Philosophical Society in 1928.^[2] Warren retired in 1945. He was a member of the Geological Society of America.^[3]