Nnamdi is a distinctive boys' name in United States, ranking #4697 in 2017 with 21 recorded births. The name reached its all-time peak in 1997 with 34 births ranking #2432. Since 1996, the popularity has decreased by 12.5%. In 2017, approximately 1 in every 88,110 boys born was named Nnamdi. RISING Recent data shows the name is currently rising.