Anastasia Lvovna of Halych–Volhynia (?-1335), was a Duchess of Dobrzyń by marriage to Siemowit of Dobrzyń. She served as Regent of Dobrzyń with her brother-in-law Władysław I Łokietek during the minority of her sons, Władysław the Hunchback and Bolesław of Dobrzyń between 1312 and 1316.