Vernasca (Piacentino: (La) Varnasca [(lɐ) vɐrˈnaskɐ]) is a comune (municipality) in the Province of Piacenza in the Italian region Emilia-Romagna, located about 120 kilometres (75 mi) northwest of Bologna and about 30 kilometres (19 mi) southeast of Piacenza.

[3] The urban center of Vernasca has the Romanesque-style church of San Giorgio Martire.

The church was built in the 12th century and was subordinate to the parish of Castell’Arquato until 1346.

The municipality of Vernasca contains the frazioni (subdivisions, mainly villages and hamlets) Bacedasco, Borla, Castelletto, Mignano, Settesorelle, Trinità, Vezzolacca, and Vigoleno.

Vernasca borders the following municipalities: Alseno, Bore, Castell'Arquato, Lugagnano Val d'Arda, Morfasso, Pellegrino Parmense, Salsomaggiore Terme.