551 Boy Names That Start With K (with Meanings and Popularity)

Boy names that start with K are a modern success story, having kicked off in the 1950s and remained among the most popular names for boys ever since.

The top K name for boys in the US today is Kai, which has been rising quickly in popularity throughout the 2000s. Along with Kai in the top 100 is the nouveau Kayden. Other boy names starting with K in the US Top 300 include Kingston, Kevin, King, Karter, Knox, and Kyrie.

Kyle, not Kevin, is now the most popular K name for boys in Ireland, while Kylian is the top choice in France and Kilian in Germany.

Historically the most popular members of the K krew actually started life with a C: from 50s favorite Kenneth (Coinneach) to 70s sweetheart Kevin (Caoimhín).

Swapping a K for a C first initial is a trend that continues to this day, with Kaiden, Kaleb, Karter, Kash, Kameron and more still among the most popular K-starting names for boys. But there are also many K boys' names that came about their kool initial organically, like Nameberry favorites Kai, Keir and Koa.

Here, our full selection of boy names that start with K, ordered by their current popularity on Nameberry.

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