The papal conclave held from 14 to 16 October 1978 was triggered by the death of John Paul I on 28 September 1978, just 33 days after he was elected pope. The conclave to elect John Paul I's successor ended after eight ballots. The cardinal electors selected Cardinal Karol Józef Wojtyła, Archbishop of Kraków, as the new pope. The third pope in the year, Wojtyła accepted his election and took the name John Paul II.

A papal conclave is a gathering of the College of Cardinals convened to elect a bishop of Rome, also known as the pope. Catholics consider the pope to be the apostolic successor of Saint Peter and the earthly head of the Catholic Church.