Deniz is a distinctive boys' name in England & Wales, ranking #732 in 2011 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 2011, approximately 1 in every 8,043 boys born was named Deniz. FALLING Recent data shows the name is currently falling.