Antwain is a distinctive boys' name in United States, ranking #2511 in 1999 with 35 recorded births. The name reached its all-time peak in 2006 with 46 births ranking #2581. Since 1996, the popularity has increased by 20.7%. In 1999, approximately 1 in every 54,860 boys born was named Antwain. FALLING Recent data shows the name is currently falling.