Julia Niewiarowska-Brzozowska (1827–1891) was a Polish Romantic era composer. She was born in Warsaw.[1][2]
She was the sister of Karol Brzozowski. She studied music with August Freyer in Warsaw.[3] In 1845-1848 she performed in Berlin and Warsaw. After marrying the writer Aleksander Niewiarowski, she ran an art salon in Warsaw.[4] She is buried in the Powązki Cemetery in Warsaw.