The IX International Chopin Piano Competition was held from 6 to 29 October 1975 in Warsaw. The competition was won by Krystian Zimerman of Poland, the youngest winner to that date at the age of 18.

Krystian Zimerman is a Polish concert pianist, conductor and pedagogue who has been described as one of the greatest pianists of his generation. In 1975, he won the IX International Chopin Piano Competition.