Markov (Bulgarian, Russian: Марков), Markova, and Markoff are common surnames used in Russia and Bulgaria. Notable people with the name include: Academics. Ivana Markova (1938–2024), Czechoslovak-British emeritus professor of psychology at the University of Stirling. John Markoff (sociologist) (born 1942), American professor of sociology and history at the University of Pittsburgh. Konstantin Markov (1905–1980), Soviet geomorphologist and quaternary geologist. Mathematics, science, and technology. Alexander V. Markov (born 1965), Russian biologist.
https://en.wikipedia.org/wiki/Markov