Denin is of French origin, meaning "from Denis." It is a variant spelling of the name Dennis, which was derived from Dionysius, an ancient Roman family name based on the Greek god of wine and fertility, Dionysus. The name Denin has been used primarily in France and Canada, though it can be found occasionally in other French-speaking regions.
"In 1999, there were 5 newborn girls named Denin."