Nnenna is a distinctive girls' name in United States, ranking #16616 in 2025 with 5 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6641. Since 1996, the popularity has decreased by 64.3%. In 2025, approximately 1 in every 321,453 girls born was named Nnenna. FALLING Recent data shows the name is currently falling.