Deniz is a distinctive girls' name in England & Wales, ranking #2278 in 2025 with 12 recorded births. The name reached its all-time peak in 2016 with 13 births ranking #2120. Since 1996, the popularity has increased by 20.0%. In 2025, approximately 1 in every 21,107 girls born was named Deniz. STABLE Recent data shows the name is currently stable.