Rena is a distinctive girls' name in United States, ranking #2613 in 2016 with 68 recorded births. The name reached its all-time peak in 1996 with 135 births ranking #1286. Since 1996, the popularity has decreased by 49.6%. In 2016, approximately 1 in every 26,051 girls born was named Rena. FALLING Recent data shows the name is currently falling.