Alessandro Pericle Ninni or Alessandro Pericle Count of Ninni was an Italian nobleman of Greek descent. He specialized in zoology and was especially known for his studies of the fishes of the Adriatic. He described several species of fish including the black-spot goby Pomatoschistus canestrinii, endemic to the Adriatic Sea. He also studied helminth parasites, molluscs and insects and took an interest in linguistics, culture, and antiquities.