His Excellency Maciej Lubienski
Archbishop of Gniezno Primate of Poland
Church	Roman Catholic
Archdiocese	Gniezno
Installed	1641
Term ended	1652
Orders
Ordination	1602
Consecration	1620
Personal details
Nationality	Polish
Coat of arms

Maciej Łubieński (1572 in Łubna – 1652 in Łowicz), of Pomian coat of arms, was a primate of Poland, archbishop of Gniezno, bishop of Poznań, bishop of Kujawy and interrex in the Polish–Lithuanian Commonwealth.

He was educated in Sieradz, Kalisz, Poznań and Kraków. In 1641 he became the archbishop of Gniezno and primate of Poland. During the Chmielnicki Uprising in 1648, after the death of Polish king Władysław IV Waza he became the interrex and in 1649 he crowned Jan II Kazimierz as the king of Poland. He died in Łowicz in 1652, and he was buried in his family crypt in Łowicz.

• Urban W., Łubieński Maciej h. Pomian (1572–1652), [w:] "Wielkopolski słownik biograficzny" 1983, s. 437.

• Virtual tour Gniezno Cathedral
• List of Primates of Poland