Anja is a distinctive girls' name in United States, ranking #3720 in 1997 with 30 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has decreased by 45.5%. In 1997, approximately 1 in every 58,022 girls born was named Anja. FALLING Recent data shows the name is currently falling.