St. Nicholas' Deanery Church, Znojmo, Gothic church in Znojmo, Czech Republic.

St. Nicholas' Deanery Church in Znojmo is a Gothic place of worship with a three-nave hall supported by cylindrical pillars and decorated with Gothic frescoes in the chancel. The tower was added in the mid-19th century and completes the structure's overall form.

A Romanesque church with a tower stood here from the early 12th century. After a fire in 1335 destroyed much of it, construction of the Gothic hall church began in 1338; the north chapels were finished in 1419 and the vault over the nave in 1442. From 1190 the Premonstratensians of Louka Abbey held the patronage until 1784.

The octagonal stone font from the mid-13th century is still used for baptisms, though records begin only in 1660; a group of Muslims who came to Znojmo after the 1683 Battle of Vienna was baptised here. The chapel is linked to the Confraternity of Our Lady of Mount Carmel.

The church sits in the center of Znojmo at Mikulášské náměstí and is easy to reach on foot. Visitors should know that regular services take place here, so access may vary depending on the time of visit.

The glass sarcophagus in the southwest part of the church holds the relics of Saint Boniface, taken from the Callixtus catacombs in Rome. Pope Benedict XIV donated them to the Znojmo church in 1741 with a certificate of authenticity, and nuns of St. Clare decorated them by hand. The relics were solemnly displayed on 7 June 1750.