Deni is a distinctive boys' name in United States, ranking #12528 in 2015 with 5 recorded births. This places Deni in the bottom 11% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 13 births ranking #5890. In 2015, approximately 1 in every 383,252 boys born was named Deni. FALLING Recent data shows the name is currently falling.