Deniz is a distinctive boys' name in England & Wales, ranking #722 in 2006 with 36 recorded births. The name reached its all-time peak in 2017 with 70 births ranking #554. Since 1996, the popularity has increased by 140.0%. In 2006, approximately 1 in every 8,898 boys born was named Deniz. FALLING Recent data shows the name is currently falling.