Eugeniusz Knapik is a Polish pianist and composer of classical music best known for his 1980 chamber piece String Quartet No. 1. Knapik studied composition and piano with Henryk Górecki (1933–2010) and Czesław Stańczyk at the University of Music in Katowice. As a pianist, he has recorded widely, mainly in 20th-century music. He has won numerous prizes for his compositions, including at the Festival of Polish Piano Interpretation in Słupsk, and the International Chamber Music Competition in Vienna.