Hanna "Anka" Ptaszkowska (17 December 1935 â 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.