Omsk and Semipalatinsk

Bishops 4

1. 1895 – 17 December 1900

   Gregory Poltayev 1826–1914

   Bishop

2. 20 January 1901 – 6 September 1903

   Sergii Petrov 1864–1935

   Bishop

3. 1903 – 1905

   Michael Ermakov 1862–1929

   Bishop

4. 1905 – 1911

   Gabriel Golosov 1839–1916

   Bishop

In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.

Also named after the see

Retired bishops who kept its name, and clergy or lay people whose title was attached to it.

• 17 December 1900 – 1914

  Gregory Poltayev 1826–1914

  Former Bishop

• 1911 – 13 August 1916

  Gabriel Golosov 1839–1916

  Former Bishop