Keng is a distinctive boys' name in United States, ranking #7318 in 2013 with 11 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #3615. Since 1996, the popularity has decreased by 42.1%. In 2013, approximately 1 in every 171,932 boys born was named Keng. FALLING Recent data shows the name is currently falling.