Joanna Błaś (née Kuraś) was born on 23 February 1926. Daughter of Karol and Zofia (née Malinowska). During World War II, she lived in Lviv. In her home she sheltered Jews, including Marian Stalmeister. Joanna was also engaged in helping to arrange false documents for people of Jewish origin.

Joanna Błaś was awarded the title of Righteous Among the Nations in 1993.