Karthik is a distinctive boys' name in United States, ranking #2079 in 2002 with 52 recorded births. The name reached its all-time peak in 2010 with 79 births ranking #1847. Since 1996, the popularity has increased by 126.1%. In 2002, approximately 1 in every 37,336 boys born was named Karthik. STABLE Recent data shows the name is currently stable.