Perna

Perna may refer to:

• Perna (surname)
• Perna, Bosanska Krupa, a village in Bosnia and Herzegovina
• Perna, Croatia, a village near Vrginmost, Croatia
• Perna, Poland, a village in Kutno County, Poland
• Perná a municipality and village in the Czech Republic
• Pernå, a municipality in Finland
• Perna caste, a Hindu caste in India
• Perna-de-pau, a population of native Portuguese-speakers, recognized as Indians in 1993
• Perna Krick (1909–1991), American sculptor, painter and teacher
• Perna (bivalve), a genus of saltwater mussel
• Perna perna, an economically important mussel, a bivalve mollusc belonging to the family Mytilidae
• Perna canaliculus, the New Zealand green-lipped mussel
• Perna viridis, the Asian green mussel