Eustachy Trepka

Eustachy Trepka (born around 1510, died October 17, 1558 ) was a Polish Lutheran theologian, pastor, and translator. with a coat of arms Topór.

Eustachy attended the Lubrański Academy in Poznań where he was mostly likely a student of the Lutheran theologian Christoph Hegendorff. He was also probably a tutor to the Górka family, who were his protectors.

Subsequently, in 1546, he was invited by Duke Albert of Prussia to come to Królewiec (Königsberg, today Kaliningrad), the capital of Duchy of Prussia which at the time was a fief of Kingdom of Poland. There, Trepka was tasked by the Duke with carrying out translations of religious work from Latin into Polish, and he was employed in the print shop of Hans Daubmann.

Works translated by Trepka include Mleko duchowne dla karmienia i wychowywania chrześcijańskich dziatek, 1556 ("Spiritual milk for nourishment and upbringing of Christian children"), in regard to Polish affairs and in house translator. His son, Jerzy Trepka, was also employed by the Duke.

Eustachy Trepka was an ideological opponent of the Polish Protestant evangelical reformer Jan Łaski and the Congregationists of Greater Poland.