Antwain is a distinctive boys' name in United States, ranking #4139 in 2004 with 21 recorded births. The name reached its all-time peak in 2006 with 46 births ranking #2581. Since 1996, the popularity has decreased by 27.6%. In 2004, approximately 1 in every 94,514 boys born was named Antwain. FALLING Recent data shows the name is currently falling.