| Anna Katarzyna Sanguszko | |
| House-Type: | Szlachta |
| Noble Family: | Sanguszko |
| Coa: | Pogoń Litewska |
| Father: | Hieronim Sanguszko |
| Mother: | Konstancja Sapieha |
| Spouse: | 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 |
| Birth Date: | 1676 |
| Death Date: | 1746 |
| Princess | |
| Full Name: | Anna Katarzyna Sanguszko |
Princess Anna Katarzyna Radziwiłłowa (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.