Karthik is a distinctive boys' name in United States, ranking #2318 in 2016 with 57 recorded births. This places Karthik in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 79 births ranking #1847. Since 1996, the popularity has increased by 147.8%. In 2016, approximately 1 in every 33,284 boys born was named Karthik. STABLE Recent data shows the name is currently stable.