Katarina Nipertz

Katarina Erikintytär Nipertz was a Finnish noble, fiefholder of Raseborg Castle.

She was married to Laurens Axelsson (Tott), fiefholder of Raseborg. Upon his death in 1482, she took control of the castle and fief. In 1487, the regent Sten Sture the Elder appointed an new fiefholder of Raseborg and sent troops there to take over the castle, and she defended it for several weeks.