Jadwiga Wajs-Marcinkiewicz (30 January 1912 in Pabianice, Russian Empire – 1 February 1990) was a Polish athlete who mainly competed in the discus throw.

Career

She competed for Poland at the 1932 Summer Olympics held in Los Angeles, United States, in the women's discus throw event, winning the bronze medal. Four years later she threw the discus again for Poland in the 1936 Summer Olympics held in Berlin, Germany where she split the German pair Gisela Mauermayer and Paula Mollenhauer in winning the silver medal. Jadwiga Wajs was Jewish, her father's ancestors came to Livonia and Poland from Westfalen in the 13th century. Their heraldic crest was the white swan.