Křtiny is a market town (městys) in Blansko District, South Moravian Region, Czech Republic, lying on boundary of the Moravian Karst nature reserve. It has 792 inhabitants (2006).
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 Holy Name of Mary (houses a Gothic statue of the Virgin Mary), St. Anne Chapel, Provost Residence and other buildings (see aerial view).