Anja is a distinctive girls' name in England & Wales, ranking #1026 in 2003 with 23 recorded births. The name reached its all-time peak in 2011 with 34 births ranking #1015. Since 1996, the popularity has increased by 91.7%. In 2003, approximately 1 in every 12,116 girls born was named Anja. FALLING Recent data shows the name is currently falling.