Sonja is a distinctive girls' name in United States, ranking #2697 in 2023 with 65 recorded births. The name reached its all-time peak in 1998 with 159 births ranking #1179. Since 1996, the popularity has decreased by 53.9%. In 2023, approximately 1 in every 24,656 girls born was named Sonja. FALLING Recent data shows the name is currently falling.