Grażyna Bacewicz Biernacka ([ɡraˈʐɨna baˈt͡sɛvit͡ʂ] ⓘ; 5 February 1909 – 17 January 1969) was a Polish composer and violinist of Lithuanian origin.

She is the second Polish female composer to have achieved national and international recognition, the first being Maria Szymanowska in the early 19th century.

[2] She continued her education in Paris, having been granted a stipend by Ignacy Jan Paderewski to attend the École Normale de Musique,[1] and studied there in 1932–33 with Nadia Boulanger (composition) and André Touret (violin).

[2] After completing her studies, Bacewicz took part in numerous events as a soloist, composer, and jury member.

From 1936 to 1938 she was the principal violinist of the Polish National Radio Symphony Orchestra, which was directed then by Grzegorz Fitelberg.