- a small, southern European, marine fish, Sardina pilchardus, related to the herring but smaller and rounder.
- any of several related fishes, as Sardinops caeruleus, common off the California coast.
- a European food fish, Sardina (or Clupea) pilchardus, with a rounded body covered with large scales: family Clupeidae (herrings)
- a related fish, Sardinops neopilchardus, of S Australian waters