In 2025, 20 US boys were named Karthik, making it the 4,949th most common boys’ name of the year, up 390 places from #5,339 in 2024. That is 2 more than the 18 boys named Karthik in 2024. Its best rank for boys was #1,847, reached in 2010. That year also had the most boys given the name: 79. For comparison, it was #2,335 in 2015 and unranked in 1950.
Social Security card records list Karthik in 45 years of the 146 from 1880 to 2025, starting in 1977 with 5 babies. In all, 1,495 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 561 babies named Karthik.
Over the 10 years from 2016 to 2025, 308 US boys were named Karthik; the busiest of those years was 2016, with 57. In 2025 that was about 1 in 85,404 of the boys in SSA’s list for the year.
Rarer spellings such as Kartik are summarised on this page.