Nastassia is a distinctive girls' name in United States, ranking #10094 in 2021 with 10 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4898. Since 1996, the popularity has decreased by 23.1%. In 2021, approximately 1 in every 163,971 girls born was named Nastassia. FALLING Recent data shows the name is currently falling.