Princess Anna Alojza Ostrogska (1600–1654) was a Polish–Lithuanian noblewoman and heiress, known for her great fortune, and famously pious and ascetic lifestyle.
Anna was daughter of voivode of Wolyn Price Oleksander Ostrogski h.
Ostrogski, the son of voivode of Kijów Prince Konstanty Wasyl Ostrogski h.