Křtiny is a market town in Blansko District in the South Moravian Region of the Czech Republic. It has about 800 inhabitants. It lies on boundary of the Moravian Karst nature reserve.
The town is an old Marian pilgrimage site (administered by the Premonstratensians) and is dominated by a Baroque pilgrim complex; the original project by Jan Santini Aichel was modified during construction and was not fully completed. It comprises the Church of the Name of the Virgin Mary (houses a Gothic statue of the Virgin Mary), St. Anne Chapel, Provost Residence and other buildings.
Close to Křtiny is karst show Výpustek Cave, ex secret army cave shelter.