Deniz is a distinctive boys' name in England & Wales, ranking #691 in 2002 with 28 recorded births. The name reached its all-time peak in 2017 with 70 births ranking #554. Since 1996, the popularity has increased by 86.7%. In 2002, approximately 1 in every 10,296 boys born was named Deniz. FALLING Recent data shows the name is currently falling.