Risa is a distinctive girls' name in United States, ranking #5225 in 2005 with 25 recorded births. The name reached its all-time peak in 1998 with 54 births ranking #2561. Since 1996, the popularity has decreased by 19.4%. In 2005, approximately 1 in every 73,908 girls born was named Risa. RISING Recent data shows the name is currently rising.