Anna Metta von Oberg (November 10, 1737 – October 25, 1794) was a German Baroness and close friend to Augusta Louise zu Stolberg-Stolberg.Von Oberg was born in Jersbek, Duchy of Holstein, and lived in the period from 1762 to 1794 in the monastery of Uetersen. There she met Augusta Louise zu Stolberg-Stolberg. After they left the monastery, they lived together in a small apartment south of the monastery. Although Metta was 15 years older, they were linked in a deep friendship.