Ryonna is a distinctive girls' name in United States, ranking #16401 in 2011 with 6 recorded births. This places Ryonna in the bottom 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 9 births ranking #12397. In 2011, approximately 1 in every 293,134 girls born was named Ryonna. FALLING Recent data shows the name is currently falling.