Kengo is a distinctive boys' name in United States, ranking #13294 in 2012 with 5 recorded births. The name reached its all-time peak in 1996 with 7 births ranking #7579. Since 1996, the popularity has decreased by 28.6%. In 2012, approximately 1 in every 379,325 boys born was named Kengo. STABLE Recent data shows the name is currently stable.