Deniz is a distinctive boys' name in England & Wales, ranking #896 in 2025 with 35 recorded births. The name reached its all-time peak in 2017 with 70 births ranking #554. Since 1996, the popularity has increased by 133.3%. In 2025, approximately 1 in every 7,770 boys born was named Deniz. FALLING Recent data shows the name is currently falling.