Karthik is a distinctive boys' name in United States, ranking #2235 in 2006 with 57 recorded births. The name reached its all-time peak in 2010 with 79 births ranking #1847. Since 1996, the popularity has increased by 147.8%. In 2006, approximately 1 in every 36,055 boys born was named Karthik. STABLE Recent data shows the name is currently stable.