Anna of Racibórz (Polish: Anna raciborska; b. 1292/98 - d. 1 January/21 August 1340), was a Polish princess member of the House of Piast in the Racibórz branch and by marriage Duchess of Opawa and Racibórz.
She was the second child but eldest daughter of Duke Przemysław of Racibórz by his wife Anna, daughter of Duke Konrad II of Masovia.[1][2]
In 1318 Anna married with Duke Nicholas II of Opava, illegitimate grandson of King Ottokar II of Bohemia.[3] She bore her husband six children, one son -the future Jan I- and five daughters -Euphemia (by marriage Duchess of Masovia), Elizabeth (who became a nun), Agnes (also a nun), Anna (by marriage Burgravine of Magdeburg) and Margareta (by marriage Margravine of Moravia).
In 1336, after the death of her only brother Leszek, Anna's husband was invested with the Duchy of Racibórz (who claimed the succession as the next male relative of the late Duke) after the arbitral decision of King John of Bohemia, despite the strong resistance of the next blood male relatives of Leszek.
Anna died four years later between January-August 1340 and was probably buried in the Dominican monastery of Racibórz.