Peter Paul Koprowski (born 24 August 1947, in Łódź) is a Canadian composer, conductor, music educator, and pianist of Polish descent.
As a composer he is chiefly known for his large output of symphonic works which began with his still frequently performed In Memoriam Karol Szymanowski (1963).
He has twice won the Jules Léger Prize (in 1989 for Sonnet for Laura and in 1994 for his Woodwind Quintet) and received the Canada Council's Victor M. Lynch-Staunton Award in 1989.
He earned a master's degree from the Academy of Music in Kraków in 1969 where he was a pupil of Bolesław Woytowicz.
He earned a Doctor of Music from the University of Toronto in 1977 where he was a pupil of John Weinzweig.