Ida Erwest (* 1905 Warsaw- † January 16, 1945 Warsaw) singer and composer. She started her vocal adventure as a chorister, among others. at the Jewish Theater, as well as in Warsaw revue theaters. From 1928, as a singer, she began collaborating with the Qui Pro Quo theater.
She was the author of popular stage songs. During the occupation, she was in the Warsaw ghetto, where she died at the end of the war.