Deni is a distinctive boys' name in United States, ranking #8524 in 2001 with 7 recorded births. This places Deni in the bottom 31% 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 2001, approximately 1 in every 277,547 boys born was named Deni. FALLING Recent data shows the name is currently falling.