Michał Kazimierz Heller (born 12 March 1936 in Tarnów) is a Polish professor of philosophy at the Pontifical University of John Paul II in Kraków, Poland, and an adjunct member of the Vatican Observatory staff. He also serves as a lecturer in the philosophy of science and logic at the Theological Institute in Tarnów. A Roman Catholic priest belonging to the diocese of Tarnów, Heller was ordained in 1959. In 2008 he received the Templeton Prize for his works in the field of philosophy.