The proceedings of the Round Table on "Reason vs Post-Truth: Ontology, Axiology, Geopolitics" (Lomonosov Moscow State University, Moscow, November 21, 2018).Authors of the proceedings:V.V. Mironov (Lomonosov Moscow State University, Corresponding Member of the Russian Academy of Sciences , D.Sc. in Philosophy, Professor)K.K. Momdzhyan (Lomonosov Moscow State University, D.Sc. in Philosophy, Professor)A.V. Belokobylskyi (Ukrainian Institute of Strategies of Global Development and Adaptation, D.Sc. in Philosophy, Professor)A.P. Kozyrev (Lomonosov Moscow State University, Ph.D. in Philosophy)O.A. Efremov (Lomonosov Moscow State University, Ph.D. in Philosophy, Associate Professor)M.V. Bratersky (National Research University Higher School of Economics, Ph.D. in Political Sciences, Professor)A.V. Pilko (Lomonosov Moscow State University, Ph.D. in History)V.S. Levytskyy (Ukrainian Institute of Strategies of Global Development and Adaptation, Ph.D. in Philosophy)