Nastassia is a distinctive girls' name in United States, ranking #12800 in 2025 with 7 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4898. Since 1996, the popularity has decreased by 46.2%. In 2025, approximately 1 in every 229,610 girls born was named Nastassia. FALLING Recent data shows the name is currently falling.