Deniz is a distinctive boys' name in England & Wales, ranking #615 in 2005 with 43 recorded births. The name reached its all-time peak in 2017 with 70 births ranking #554. Since 1996, the popularity has increased by 186.7%. In 2005, approximately 1 in every 7,196 boys born was named Deniz. FALLING Recent data shows the name is currently falling.