Hanna "Anka" Ptaszkowska (17 December 1935 – 6 November 2025) was a Polish art critic and art historian.

Ptaszkowska co-founded the Foksal Gallery in Warsaw in 1965 before moving to Paris in 1970 with her husband, . There, she and her husband, along with Daniel Buren, released the photography collection . In 2022, she held an exhibition titled Anka au cas au par cas at the CAPC musée d'art contemporain de Bordeaux.

Ptaszkowska died on 6 November 2025, at the age of 89.

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