Joonas Kokkonen (November 21, 1921 – October 1 or 2, 1996) was a Finnish composer. He was born in Iisalmi, Finland, but spent most of his life in Järvenpää at his home, which was known as "Villa Kokkonen". He served in the Finnish army during World War II with great distinction. He received his education at the University of Helsinki, and later at the Sibelius Academy, where he afterwards taught composition; his students there included Aulis Sallinen.

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