Ranzania

Ranzania may refer to:


 * Ranzania (fish), a genus of fish in the family Molidae with several fossil species and one extant species
 * Ranzania laevis, the slender sunfish, the only extant species in the fish genus
 * Ranzania (plant), a genus of plants in the family Berberidaceae

The genus Ranzania Bertoloni, 1855 (in the beetle family Scarabaeidae) is now called Rhamphorrhina Klug, 1855.