Tadeusz Pikus (born 1 September 1949 in Zabiele, Mońki County) is a Polish Roman Catholic prelate who was Bishop of Drohiczyn from 2014 to 2019.

For two years he served as vicar and catechist in the parish of Holy Family in Jaktorów.

Returning from Spain, he was a lecturer, Prefect, and then Vice-Rector at the Major Metropolitan Seminary of St. John the Baptist in Warsaw.

He was also appointed minister of entrepreneurs and promoters of economic life in Warsaw and was the rector of the seminary church of the Immaculate Conception of the Blessed Virgin Mary in Białystok.

He continued to teach at the Cardinal Stefan Wyszyński University in Warsaw.