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)
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