Diocese of Siedlce Dioecesis Siedlecensis Diecezja Siedlecka
Cathedral of the Immaculate Conception in Siedlce
Location
Country	Poland
Ecclesiastical province	Lublin
Metropolitan	Archdiocese of Lublin
Statistics
Area	11,440 km2 (4,420 sq mi)
Population - Total - Catholics	(as of 2020) 705,250 695,940 (98.7%)
Information
Denomination	Catholic Church
Sui iuris church	Latin Church
Rite	Roman Rite
Cathedral	Katedra Niepokalanego Poczęcia NMP (Cathedral of the Immaculate Conception of the Blessed Virgin Mary)
Current leadership
Pope	Francis
Bishop	Kazimierz Gurda
Metropolitan Archbishop	Stanisław Budzik
Auxiliary Bishops	Grzegorz Suchodolski
Map
Website
Website of the Diocese

The Diocese of Siedlce (Latin: Siedlecen(sis)) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Poland. Its episcopal see is Siedlce. The Diocese of Siedlce is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Lublin.

• June 30, 1818: Established as Diocese of Podlachia
• 1867: Suppressed to Diocese of Lublin
• 1918: Restored as Diocese of Podlachia
• October 28, 1925: Renamed as Diocese of Siedlce

• Minor Basilicas:
  • Bazylika św. Anny (Sanktuarium Maryjne), Kodeń
    (Basilica of St. Ann)
  • Bazylika św. Jana Chrzciciela Sanktuarium Maryjne, Parczew
    ( Basilica of St. John the Baptist)
  • Sanktuarium Maryjne, Leśna Podlaska

• Bishops of Siedlce
  • Bishop Kazimierz Gurda (since 2014.05.24)
  • Bishop Zbigniew Kiernikowski (2002.03.28 – 2014.04.16)
  • Bishop Jan Wiktor Nowak (1996.03.25 – 2002.03.25)
  • Bishop Jan Mazur (1968.10.24 – 1996.03.25)
  • Bishop Ignacy Świrski (1946.04.12 – 1968.03.25)
  • Bishop Henryk Ignacy Przeździecki (1925.10.28 – 1939.05.09)
• Bishops of Podlachia (Roman rite)
  • Bishop Henryk Ignacy Przeździecki (1918.09.24 – 1925.10.28)
  • Bishop Piotr Paweł Beniamin Szymański (1856.09.18 – 1867)
  • Bishop Jan Marceli Gutkowski (1826.07.03 – 1842.05.19)
  • Bishop Feliks Łukasz Lewiński (1819.03.29 – 1825.04.05)

• Roman Catholicism in Poland
• Eugene Rozhitsky, an Eastern Orthodox (later the Byzantine Catholic) priest who served the diocese

• GCatholic.org
• Catholic Hierarchy
• Diocese website

52°10′11″N 22°16′27″E / 52.169634°N 22.274235°E / 52.169634; 22.274235