Barbara Bielecka (born 1 January 1931, Chełm) is a Polish Functionalist architect and a member of the Faculty of Architecture at the Gdańsk University of Technology. She designed the Sanctuary of Our Lady of Lichen, Poland's largest church, the sixth largest by area in the world. It was constructed between 1994 and 2004. In May 1985, she joined the Commission of Urban Planning and Architecture at the Polish Academy of Sciences in Kraków.[1]