Blanka Pikler (25 March 1883 – 11 April 1957) was a Hungarian activist and librarian.

Pikler was born in Budapest in 1883 to a middle class family.

[1] In 1908 she began work at the Metropolitan Library where she became part of Ervin Szabó's inner circle.

Pikler was arrested and held for two weeks although as friends noted she disliked communists and communism.

[2] She published a range of books including her catalogues and a history of the Budapest library.