Riaan is a distinctive boys' name in United States, ranking #2289 in 2014 with 58 recorded births. This places Riaan in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 262 births ranking #860. In 2014, approximately 1 in every 33,111 boys born was named Riaan. FALLING Recent data shows the name is currently falling.