Luk is a distinctive boys' name in United States, ranking #13803 in 2008 with 5 recorded births. This places Luk in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 5 births ranking #10645. In 2008, approximately 1 in every 407,989 boys born was named Luk. STABLE Recent data shows the name is currently stable.