List of auxiliary bishops in Płock
The following people were auxiliary bishops in the diocese of Płock :
| time | Surname | Office |
|---|---|---|
| 1595-1604 | Jan Zamojski | Titular Bishop of Philippi |
| 1614-1643 | Stanislaw Starczewski | |
| 1643-1655 | Wojciech Tolibowski | Titular Bishop of Sebaste in Cilicia |
| 1655-1664 | Zygmunt Czyżowski | Titular Bishop of Lacedaemonia |
| 1664-1690 | Stanisław Całowański | |
| 1691-1698 | Ludwik Tolibowski | |
| 1696-1709 | Marcin Załuski | Titular Bishop of Rosmen (Russia) |
| 1710-1719 | Paweł Antoni Załuski | Titular Bishop of Alba |
| 1732-1765 | Marcin Załuski II. | Titular Bishop of Draso |
| 1764-1779 | Kazimierz Rokitnicki | Titular Bishop of Alalis |
| 1773-1775 | Michal Jerzy Poniatowski | Titular Bishop of Cydonia Coadjutor Bishop |
| 1778-1799 | Antoni Narzymski | Titular Bishop of Euroea in Phenicia / Evaria |
| 1779-1782 | Michał Żurawski | |
| 1782-1791 | Józef Wojciech Gadomski | Titular Bishop of Benda |
| 1791-1814 | Michał Maurycy Mdzewski | Titular Bishop of Dercos |
| 1805-1822 | Antoni Luboradzki | Titular Bishop of Tanis |
| 1823-1838 | Konstanty Wincenty Plejewski | Titular Bishop of Legio |
| 1828 | Lorenzo Gutkowski | Titular Bishop of Gerasa |
| 1842-1856 | Antoni Melchior Fijałkowski | Titular Bishop of Hermopolis Maior |
| 1872-1883 | Aleksander Kazimierz Gintowt-Dziewałtowski | Titular Bishop of Helenopolis in Bithynia |
| 1908-1913 | Stefan Denisiewicz | Titular Bishop of Claudiopolis in Isauria |
| 1918-1925 | Adolf Szelążek | Titular Bishop of Barca |
| 1928-1941 | Leon Wetmański | Titular Bishop of Camachus |
| 1950-1970 | Piotr Dudziec | Titular Bishop of Camuliana |
| 1961-1991 | Jan Wosiński | Titular Bishop of Abaradira |
| 1985-2017 | Roman Marcinkowski | Titular Bishop of Bulla Regia |
| 1986-1992 | Andrzej Suski | Titular Bishop of Pulcheriopolis |
| since 2016 | Miroslaw Milewski | Titular Bishop of Villa Nova |