Iwan is a distinctive boys' name in England & Wales, ranking #531 in 2010 with 65 recorded births. The name reached its all-time peak in 2000 with 127 births ranking #236. Since 1996, the popularity has increased by 62.5%. In 2010, approximately 1 in every 5,327 boys born was named Iwan. STABLE Recent data shows the name is currently stable.