Mariane Theresia Sophie (Maria Sofia) Stebnowska also called Zofia Stępkowska or Stempkosta (13 July 1753 or 1761 – 16 February 1848) was a Swedish opera singer and harpist of Polish origin. She has been referred to as one of the more notable stage artists of the Gustavian era Royal Swedish Opera. She was the maternal grandmother of the famous ballerina Marie Taglioni.