Grand Principality of Rus' or Grand Duchy of Rus' may refer to:

Grand Principality of Kievan Rus', a medieval state that arose among East Slavs, centered in Kiev Grand Duchy of Lithuania and Rus' medieval Eastern European state, with a high influence of Rus' culture Grand Principality of Rus' (1658), a proposed state in Eastern Europe

See also Principality of Rus' (disambiguation) Rus' (disambiguation) Russia (disambiguation) Ruthenia (disambiguation)