Arno Ros (born 18 December 1942 in Hamburg) is a German philosopher and Professor of Theoretical Philosophy at the Otto-von-Guericke University Magdeburg in Magdeburg, Germany.
Ros studied Ibero-Romance languages, sociology, literature and philosophy in Hamburg, Madrid (Spain) and Coimbra (Portugal). He received his doctorate in 1971 for the dissertation On the theory of literary narrative. He earned his habilitation in Saarbrücken as an assistant of Kuno Lorenz. The title of his habilitation thesis was Philosophy as a methodological critique of meaning. In subsequent years, Ros was a visiting professor in Hamburg, Saarbrücken and Campinas (Brazil).
Since 1994 he is professor for Theoretical Philosophy at the Otto-von-Guericke University Magdeburg. His main focus is concentrated on systematic and historical problems of argumentation theory with special attention to the theory of concepts (the concept of concept) as well as systematic and historical questions of philosophy of biology and psychology, with particular reference to the philosophical aspects of the mind-matter problem.