Izumo can refer to:
- Izumo Province, one of the old provinces of Japan
- Izumo, Shimane, a city in former Izumo province
- Izumo-taisha, a famous Shinto shrine in Izumo city
- Japanese cruiser Izumo, an armored cruiser of the Imperial Japanese Navy from 1900 to the end of World War II
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