Riho is a distinctive girls' name in United States, ranking #16841 in 2009 with 6 recorded births. This places Riho in the bottom 17% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 6 births ranking #16841. In 2009, approximately 1 in every 306,145 girls born was named Riho. STABLE Recent data shows the name is currently stable.