Petronella or Petronilla is a feminine given name. It may also refer to:
Petronella (film), a 1927 German-Swiss silent film Petronella, United States Virgin Islands, a settlement Petronella, a traditional Anglo-Celtic tune and associated country dance form - see contra dance choreography
See also Petronila (disambiguation) Perpolita petronella, a species of land snail "Hej, sa Petronella", a Swedish children's song Petronel, a 16th or 17th century firearm