Antwain is a distinctive boys' name in United States, ranking #6011 in 2015 with 14 recorded births. The name reached its all-time peak in 2006 with 46 births ranking #2581. Since 1996, the popularity has decreased by 51.7%. In 2015, approximately 1 in every 136,876 boys born was named Antwain. FALLING Recent data shows the name is currently falling.