Kornelius Sipayung, OFM Cap (born 26 August 1970) is the Archbishop of Roman Catholic Archdiocese of Medan.

Sipayung was born in Bandar Hinalang-Kabanjahe, North Sumatra, Indonesia.

[1] He attended Christus Sacerdos Minor Seminary, Pematangsiantar before being ordained to the priesthood on 11 December 1999.

[2] In 2002, he studied dogmatic theology at Pontifical Gregorian University in Rome.

[1] Pope Francis appointed Sipayung as the new Archbishop of Medan to succeed Archbishop Emeritus Anicetus Bongsu Antonius Sinaga, whose resignation was accepted by the Pope on 8 December 2018.