Karol Niemira (28 October 1881, Warsaw – 8 July 1965, Czubin) was a Polish Roman Catholic priest in the Second Polish Republic, a Doctor of Canon law, and Auxiliary Bishop of Pińsk appointed in 1933, six years before the Nazi German and Soviet invasion of Poland.

[1] He was expelled from Pińsk (now Pinsk, Belarus) by the NKVD authorities, and relocated to German occupied Warsaw.

Orphaned at the age of two, he was put in an orphanage with a boarding school run by the nuns in the Russian Partition.

In September 1939, after the Soviet invasion of Poland his diocese was shut down and all Servants of God expelled from the Kresy.

He actively participated in the smuggling of Jews including Rabbis from the ghetto to the Aryan side of the city.