| Jurisdiction: | Archdiocese |
| Łódź | |
| Latin: | Archidioecesis Lodziensis |
| Local: | Archidiecezja łódzka |
| Country: | Poland |
| Rite: | Latin Rite |
| Established: | 10 December 1920 (As Diocese of Łódź) 25 March 1992 (As Archdiocese of Łódź) |
| Cathedral: | Bazylika Archikatedralna pw. Świętego Stanisława Kostki (Cathedral Basilica of St. Stanislaus Kostka) |
| Area Km2: | 5,200 |
| Population: | 1,410,000 |
| Population As Of: | 2019 |
| Catholics: | 1,330,000 |
| Catholics Percent: | 94.3 |
| Metro Archbishop: | Grzegorz Ryś |
| Auxiliary Bishops: | Ireneusz Józef Pękalski Marek Marczak |
| Suffragans: | Diocese of Łowicz |
| Vicar General: | Ireneusz Pękalski |
| Archdeacon: | for one--> |
| Emeritus Bishops: | Władysław Ziółek |
| Website: | Website of the Diocese |
| Denomination: | Catholic Church |
The Archdiocese of Łódź (Latin: Archidioecesis Lodziensis) is a Latin Church archdiocese of the Catholic Church located in the city of Łódź in Poland. The archdiocese covers the central area of Łódź Voivodeship. As of 2016 weekly mass attendance was 23.4% of the archdiocese's Catholic population, making it the second least devout diocese in Poland after the Archdiocese of Szczecin-Kamień (22.7%).[1]