Ali Demirsoy Natural History Museum (Turkish: Ali Demirsoy Doğa Tarihi Müzesi) is a museum in Kemaliye, Turkey. The museum is in the campus of Hacı Ali Akın Multi-Program Highschool in Kemaliye ilçe (district), of Erzincan Province. Its founder is Professor Ali Demirsoy of Hacettepe University. It is supported by Tubitak (Scientific and Technological Research Council of Turkey).