Boleslav Leopoldovich Yavorsky (Russian: Болеслав Леопольдович Яворский; 22 June 1877, Kharkiv – 26 November 1942, Saratov)[1] was a Russian musicologist, music teacher, administrator and pianist.
Through his teachings and editorial positions he heavily influenced Soviet music theory.[2] However, outside Soviet circles, he has had little impact.[2]