Dictionary of Medieval Names
from European Sources

Nino m. This is a hypocoristic any of various Italian names ending in -n and forming a diminutive in -ino. In many cases, it is impossible to tell what the root name is.

Italy
Latin
1285 Nini (gen) Perugia1285 p. 157
Cite as: S.L. Uckelman. "Nino". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Nino.