Kengo is a distinctive boys' name in United States, ranking #10128 in 2015 with 7 recorded births. This places Kengo in the bottom 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 7 births ranking #7579. In 2015, approximately 1 in every 273,751 boys born was named Kengo. STABLE Recent data shows the name is currently stable.