Keng is a distinctive boys' name in United States, ranking #6156 in 2015 with 14 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #3615. Since 1996, the popularity has decreased by 26.3%. In 2015, approximately 1 in every 136,876 boys born was named Keng. FALLING Recent data shows the name is currently falling.