Amalia Aurora Adelaïde Leuhusen, née Valerius (1 December 1828 – 1923), was a Swedish baroness, painter and concert singer. She was a teacher and benefactor of the famous Swedish opera singer Christina Nilsson, whom she introduced to Paris, where Nilsson started her international career. She was a member of the Royal Swedish Academy of Music. During her lifetime, she was famous throughout Sweden and known for her work outside of her native country.