The Synods of Pińczów were a series of 22 Calvinist synods held in the town of Pińczów from 1550-1563.
At the time of the Reformation Pińczów belonged to a Calvinist nobleman, Nicholas Oleśnicki, and was one of the centers of Calvinism and Arianism in Poland. Synods were held in the former Pauline monastery church. Associated with these synods were the Pińczów Academy and the Brest Bible translation project, together with the emergence of the Polish Brethren who were later known as Socinians.
Pińczów was not the only location of Protestant synods. In 1556, at the Synod of Secemin,(January 22, 1556), Peter Gonesius denied the Trinity, leading to his excommunication mentioned above, and gave a more complete development of his doctrine at the synod of Brest, in Lithuania, in 1558, when he rejected the baptism of infants.
After 1563 Calvinist synods continued to be held, but separately.