Jouni Ilari Kaipainen (November 24, 1956 – November 23, 2015) was a Finnish composer.
Kaipainen was born in Helsinki to the physician and politician Osmo Kaipainen, and his wife, the author Anu née Mustonen. He studied at the Sibelius Academy in Helsinki under Aulis Sallinen and Paavo Heininen. He died on November 23, 2015, on the eve of his 59th birthday.