Małgorzata Pieczyńska (née Maciejewska) (born 4 May 1960) is a Polish film and television actress.

[1] She portrayed forensic scientist Nadja on Bäckström across three seasons in 2020, 2022 and 2024.

Her first husband was a fellow actor Andrzej Pieczyński.

[1] After they divorced, she married Gabriel Wróblewski, with whom she emigrated to Sweden in late 1980s.

She is fluent in Polish and Swedish, and also speaks Russian and French.