Anna Katarzyna Sanguszko
Princess
Coat of arms	Pogoń Litewska
Full name	Anna Katarzyna Sanguszko
Born	1676
Died	1746
Family	Sanguszko
Spouse(s)	Karol Stanisław Radziwiłł
Issue	Mikołaj Krzysztof Radziwiłł Michał Kazimierz Radziwiłł Hieronim Florian Radziwiłł Katarzyna Barbara Radziwiłł Konstancja Franciszka Radziwiłł Tekla Róża Radziwiłł Karolina Teresa Radziwiłł
Father	Hieronim Sanguszko
Mother	Konstancja Sapieha

Princess Anna Katarzyna Radziwiłłowa (Lithuanian: Ona Kotryna Sanguškaitė; c. 1676-1746), was a Polish–Lithuanian noblewoman and industrialist.

She was the daughter of Hieronim Sanguszko and Konstancja Sapieha, and married Prince Karol Stanisław Radziwiłł March 6, 1691 in Wilno. She was known for her despotic personality and blamed for the negative acts of her husband as grand chancellor of Lithuania. She was also known for her business enterprises: she created a fortune by founding textile factories and glass factories.

• Anna Katarzyna Radziwiłłowa hasło [w] Polski Słownik Biograficzny tom.30 str.384 wyd.1987

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