Baby Names Starting With K
K is the 9th most common starting letter for baby names in the US — 3.9% of babies given a top-1,000 name have one. Kennedy and Kai lead the way.
How popular is the letter K?
Measured across every name in the 2025 SSA top 1,000 lists.
K names rising fastest
Already in the top 1,000 and still climbing — the K names gaining ground.
Where K names come from
Origins of the K names in the top 1,000. English leads with 62.
All baby names starting with K
3,793 names found
Ka
Rejoice or pure
Kaaliyah
High, exalted, or sublime
Kaamil
Perfect, complete, or flawless
Kaan
King, ruler, or lord
Kaari
Rare, precious, or pure
Kaashvi
Shining, bright, or glowing
Kaavya
Poem or literary work in Sanskrit
Kabao
Flower bud
Kabe
A variant of Gabe or a Japanese surname
Kabeer
Great, powerful, or grand
Kabel
Rope or cord
Kabella
God is my oath
Kabir
The great
Kable
Rope maker or seller
Kabrea
Modern invented name; possibly a variant of Capri or Brianna
Kabria
Great, powerful, or noble
Kabrina
Pure
Kace
Thicket or watchful
Kacee
Alert or watchful
Kacelyn
Combination of Kace and the suffix lyn
Baby names starting with K: common questions
What is the most popular baby name starting with K?
Kennedy is the most popular girls' name starting with K (#85 in the US), and Kai is the most popular boys' name (#93), based on 2025 Social Security Administration data.
How common are baby names starting with K?
K is the 9th most common starting letter for baby names in the US. 100,835 babies — 3.9% of those given a top-1,000 name in 2025 — received a name beginning with K, across 136 different names.
Which K names are getting more popular?
Kaylani, Kaia, Kairo, Kiara, Koa are all in the top 1,000 and climbing in national popularity.
Where do K baby names come from?
Among K names in the top 1,000, the most common origins are English (62 names), Irish (30 names), Greek (27 names).