Konstantinos M. Mitsopoulos (Greek: Κωνσταντίνος Μ. Μητσόπουλος, 1844–1911) was an author, geologist, mineralogist, chemist, and professor. His uncle Iraklis Mitsopoulos was the father of modern natural sciences in Greece. He followed in his uncle's footsteps, and was the first student to receive a doctorate degree in the natural sciences at the University of Athens in 1868. He was one of the first scientists in Greece to publicly promote Darwin's theory of evolution. He edited and published the periodical known as Prometheus in 1890, promoting Darwinist views. The publication was shut down by the church two years later.