Rus or RUS may refer to: People and places Rus (surname), a Romanian-language surname East Slavic historical territories and peoples (). See Names of Rusʹ, Russia and Ruthenia Rusʹ people, the people of Rusʹ Rusʹ territories Kievan Rusʹ, a medieval East Slavic state, centered in Kiev Rusʹ Khaganate, a ninth-century Eastern European state Ruthenia Vladimir-Suzdal (Vladimirian Rusʹ), an East Slavic medieval state, centered in Vladimir Principality of Halych (Halychian Rusʹ), an East Slavic medieval state, in region of Halych Principality of Volhynia (Volhynian Rusʹ), an East Slavic medieval state, in regions of Volhynia Kingdom of Galicia–Volhynia (Halych-Volhynian Rusʹ), an East Slavic medieval state, uniting Halych and Volhynia Kingdom of Rusʹ, an East Slavic medieval kingdom (Galicia-Volhynia) Principality of Turov (Turovian Rusʹ), an East Slavic medieval state, in region of Turov Principality of Polotsk (Polotskian Rusʹ), an East Slavic medieval state, in region of Polotsk Novgorod Republic (Novgorodian Rusʹ), an East Slavic medieval state, centered in Novgorod Grand Duchy of Moscow (Muscovite Rusʹ), an East Slavic medieval state, centered in Moscow Tsardom of Russia (Tsardom of Rusʹ), an East Slavic early modern state, centered in Moscow Little Russia (Minor Rusʹ), an East Slavic historical region Great Russia (Great Rusʹ), an East Slavic historical region White Ruthenia (White Rusʹ), an East Slavic historical region Red Ruthenia (Red Rusʹ), an East Slavic historical region Black Ruthenia (Black Rusʹ), an East Slavic historical region Carpathian Ruthenia (Red Rusʹ, Carpathian Rusʹ), an East Slavic historical region inhabited mostly by Rusyns (Rusynia), and a 1918–1919 provisional autonomous region, known as the "Rusyn Land" Carpathian Ruthenia (Subcarpathian Rusʹ), an administrative region of the First Czechoslovak Republic Western Rus (disambiguation) Principality of Rusʹ (disambiguation) Grand Principality of Rusʹ (disambiguation) Rus, a legendary eponymous ancestor, see Lech, Czech and Rus Acronyms Rajshahi University School Réacteur Université de Strasbourg, a French nuclear research reactor Resonant ultrasound spectroscopy, a laboratory technique Route utilisation strategy Rural Utilities Service, an agency of the United States Department of Agriculture Raptor Upper Stage, a version of the SpaceX Raptor rocket engine Codes rus, the ISO 639-2 code for the Russian language RUS, the ISO 3166-1 alpha-3 code for the Russian Federation RUS, the IATA airport code for Marau Airport Other places Ruś (disambiguation), the name of several Polish villages Rus, Jaén, a municipality in the Province of Jaén, Spain Rus, Sălaj, a commune in Sălaj County, Romania Ruse, Bulgaria, Bulgaria Ruski Krstur, Vojvodina, Serbia Rus,