Jentzen is a distinctive boys' name in United States, ranking #6122 in 2012 with 14 recorded births. This places Jentzen in the top 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 16 births ranking #5511. In 2012, approximately 1 in every 135,473 boys born was named Jentzen. FALLING Recent data shows the name is currently falling.