Maj Sjöwall (* 25. September 1935 in Stockholm; † 29. April 2020 in Landskrona) war eine schwedische Schriftstellerin und Übersetzerin. ()
Maj Sjöwall (5 September 1935 – 29 April 2020) was a Swedish author and translator. She is best known for her books about police detective Martin Beck. She wrote the books in collaborative work with her partner Per Wahlöö.