Risako is a distinctive girls' name in United States, ranking #17020 in 2000 with 5 recorded births. This places Risako in the bottom 4% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 8 births ranking #10583. In 2000, approximately 1 in every 363,194 girls born was named Risako. RISING Recent data shows the name is currently rising.