The first name Konstantin () is a derivation from the Latin name Constantinus (Constantine) in some European languages, such as Russian, Estonian and German. As a Christian given name, it refers to the memory of the Roman emperor Constantine the Great. A number of notable persons in the Byzantine Empire, and (via mediation by the Christian Eastern Orthodox Church) in Russian history and earlier East Slavic history are often referred to by this name. "Konstantin" means "firm, constant". There is a number of variations of the name throughout European cultures: Константин (Konstantin) in Russian (diminutive Костя/Kostya), Bulgarian (diminutives Косьо/Kosyo, Коце/Kotse) and Serbian Костянтин (Kostiantyn) in Ukrainian (diminutive Костя/Kostya) Канстанцін (Kanstantsin) in Belarusian Konstantinas in Lithuanian Konstantīns in Latvian Konstanty in Polish (diminutive Kostek) Constantin in Romanian (diminutive Costel), French Konstandin/Konstantin in Albania (usually among Orthodox people) Κωνσταντῖνος (Kōnstantînos) in Greek (diminutives include Kostas, Kostakis, Kostîs, Ntînos, Dînos) Considine in Irish Còiseam in Scottish Gaelic. People bearing the name Konstantin include: Given name Konstantin of Rostov (1186–1218), Grand Prince of Vladimir Konstantin Chernenko (1911–1985), Soviet politician, General Secretary of the Communist Party Konstantin Dobrev (born 1974), Bulgarian badminton player Konstantin Feoktistov (1926–2009), Soviet cosmonaut Konstantin Grigorishin (born 1965), Ukrainian billionaire businessman Konstanty Kalinowski (1838–1864), 19th-century revolutionary who was one of the leaders of the January Uprising in Congress Poland Konstantin Khanin, Russian mathematician Konstantin Konik (1873–1936), Estonian politician and surgeon Konstantin Korovin (1861–1939), Russian painter Konstantin Kravchuk (born 1985), Russian tennis player Konstantin Krizhevsky (1926–2000), Russian footballer Konstantin Leontiev (1831–1891), Russian philosopher Konstantin Märska (1896–1951), Estonian cinematographer Konstantin Nahk (born 1975), Estonian football player Konstantin von Neurath (1873–1956), German diplomat Konstantin Päts (1874–1956), Estonian politician, first President of Estonia Konstantin Petrzhak (1907-1998), Soviet physicist Konstantin Pysin (1910–1984), Soviet politician Konstantin Ramul (1879–1975), Estonian psychologist Konstantin Rodzaevsky (1907-1946), The leader of the Russian Fascist Party Konstantin Rokossovsky (1896-1968), Marshal of the Soviet Union Konstantin Romanov (disambiguation) Konstantin Romanov (ice hockey) (born 1985), Russian-Kazakh ice hockey player Grand Duke Constantine Pavlovich of Russia (1779–1831), grand duke of Russia, son of Paul I Grand Duke Konstantin Nikolayevich of Russia (1827–1892), grand duke of Russia, son of Nicholas I Grand Duke Konstantin Konstantinovich of Russia (1858–1915), grand duke of Russia, grandson of Nicholas I, famous Russian poet Prince Constantine Constantinovich of Russia (1891–1918), prince of Russia Konstantin Rudnev (1911–1980), Soviet politician Konstantin Shvedchikov (1884–1952), Soviet official Konstantin Stanislavsky (1863–1938), Russian actor and theater director Konstantin