Rianna is a distinctive girls' name in England & Wales, ranking #601 in 2001 with 44 recorded births. The name reached its all-time peak in 2003 with 91 births ranking #398. Since 1996, the popularity has decreased by 51.1%. In 2001, approximately 1 in every 6,091 girls born was named Rianna. RISING Recent data shows the name is currently rising.