Karthik is a distinctive boys' name in United States, ranking #2176 in 2007 with 62 recorded births. The name reached its all-time peak in 2010 with 79 births ranking #1847. Since 1996, the popularity has increased by 169.6%. In 2007, approximately 1 in every 33,472 boys born was named Karthik. STABLE Recent data shows the name is currently stable.