Anna Sierpińska should not be confused with Wacław Sierpiński.
Anna Sierpińska (1947 – October 19, 2023) was a Polish-Canadian scholar of mathematics education, known for her investigations of understanding and epistemology in mathematics education. She was a professor emerita of mathematics and statistics at Concordia University.
Sierpińska was born in Wrocław in 1947, and lived internationally with her family as a child. She earned a master's degree in 1970 from the University of Warsaw, specializing in commutative algebra. She completed her Ph.D. in mathematics education in 1984 at the Higher School of Pedagogy, Cracow.
She was editor-in-chief of Educational Studies in Mathematics from 2001 to 2005.
In 2006, Luleå University of Technology in Sweden gave Sierpińska an honorary doctorate.