List of the Bishops of Siedlce

The following people were bishops and auxiliary bishops in the Diocese of Siedlce (from 1819 to 1869 and from 1918 to 1925 Diocese of Podlaska o Janów):

Jan Marceli Gutkowski

Bishop of Podlaska o Janów

• 1819–1825 Feliks Łukasz Lewiński
• 1826–1842 Jan Marceli Gutkowski
  • 1842–1855 Bartłomiej Radziszewski (Capitular Vicar)
  • 1855–1856 Józef Twarowski (capitular vicar)
• 1856–1867 Piotr Paweł Szymański OFMCap

Dissolution of the diocese and co-administration by the Archdiocese of Lublin

• 

  Piotr Paweł Szymański

Henryk Ignacy Przeździecki

Bishop of Siedlce

• 1918–1939 Henryk Ignacy Przeździecki (1925 relocation from Janów to Siedlce)
  • 1939–1946 Czesław Sokołowski (Capitular Vicar)
• 1946–1968 Ignacy Świrski
• 1968–1996 Jan Mazur
• 1996–2002 Jan Wiktor Nowak
• 2002–2014 Zbigniew Kiernikowski
• since 2014 Kazimierz Gurda

• 

  Zbigniew Kiernikowski

Czesław Sokołowski

Auxiliary bishops

• 1857–1868 Józef Twarowski
• 1919–1946 Czesław Sokołowski
• 1948–1962 Marian Jankowski
• 1962–1992 Wacław Skomorucha
• 1989-1992 Alojzy Orszulik
• 1992–2009 Henryk Tomasik
• 2013–2019 Piotr Sawczuk
• since 2020 Grzegorz Suchodolski