Nanno (, Ladin: Nan) is a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about north of Trento. As of 31 December 2004, it had a population of 623 and an area of .
Nanno borders the following municipalities: Tassullo, Taio, Tuenno, Terres, Flavon and Denno.
Nanno can refer to:
- Nanno, a municipality in the province of Trento in Italy
- Nannō, Gifu, a town in Japan
- Yoko Minamino, whose nickname is "Nanno". Also several of her albums are named "Nanno".
- Nanno, a female flute player described in several poems of Mimnermus, a Greek elegiac poet
- Yōkō Minamino, a fictional character from the manga series Shonan Junai Gumi, whose nickname is "Nanno"
- Nanno Nanigashi, an archaic form of the Japanese equivalent of John Doe
- Nanno de Groot, an artist known for abstract expressionism
- Nanno, a genus of prehistoric cephalopod
Nanno in cephalopod paleontology, as commonly used, refers to endocerids in which the siphuncle swells to fill the entire apex of the shell, leaving septa and camerae to begin a few centimeters forward, having a morphologic rather than a taxonomic connotation.
The term is based on the genusNanno, named by Clarke in 1894 for the apical end of an endocerid from the Trenton Limestone of New York state that has the basic description, possibly the senior synonym for Proterovaginoceras . As a valid genus, Nanno is included in the Endoceratidae but the nanno type apex may be found in other families.