Arun is a distinctive boys' name in United States, ranking #2377 in 2002 with 43 recorded births. The name reached its all-time peak in 1998 with 44 births ranking #2097. Since 1996, the popularity has increased by 79.2%. In 2002, approximately 1 in every 45,150 boys born was named Arun. STABLE Recent data shows the name is currently stable.