Antwain is a distinctive boys' name in United States, ranking #3536 in 2003 with 25 recorded births. The name reached its all-time peak in 2006 with 46 births ranking #2581. Since 1996, the popularity has decreased by 13.8%. In 2003, approximately 1 in every 79,011 boys born was named Antwain. FALLING Recent data shows the name is currently falling.