Menu

Kool K Baby Names

Kool K Baby Names

Spelling baby names with a K, whether they started out being spelled that way or not, may be one of the hottest trends of our time, inspired by the K-named Kardashians. The names of Khloe Kardashian and Kendall and Kylie Jenner leapt in popularity as the family rose in fame.

Along with Kendall and Kylie, other K names in the US Top 300 include Kennedy, Kinsley, Kayden, Kai, Kaylee, Kingston, Katherine, Kyrie, and Knox. Unique girl names that start with K with international origins include Kalindi and Kerensa. Unique boy names that start with K with international origins include Kenji and Kwame.

Many traditional Japanese, Hawaiian, and Irish names begin with K, which is now associated with contemporary American names as well.

See some of the coolest K baby names below, and check out our complete collection of Names That Start with K.

  1. KaiHeart
    • Origin:

      Hawaiian
    • Meaning:

      "sea"
    • Description:

      Kai has many origins and meanings. What does the name Kai mean? That depends on which Kai you're referring to.
  2. KitHeart
    • Origin:

      English, diminutive of Christopher
    • Description:

      Actor Kit Harington, aka the dreamy Jon Snow on Game of Thrones, has given this nickname-name new style and appeal for boys. Actress Jodie Foster used it for her son. For girls, it's an updated diminutive of Katherine.
  3. KieranHeart
    • Origin:

      Irish
    • Meaning:

      "little dark one"
    • Description:

      Long popular in Ireland and England, Kieran, the name of Ireland's first-born saint and twenty-five other saints, has been building its U.S. fan base thanks to its strong and attractive sound, and its fashionable Irish brogue. While Ciaran is the more authentic Irish spelling, Kieran is more popular this side of the Atlantic.
  4. KaiaHeart
    • Origin:

      Latin, Scandinavian, or Hawaiian
    • Meaning:

      "to rejoice or sea"
    • Description:

      The new Maia, the next Kayla, Kaia has been on the charts since the year 2000. You might see it as a female form of the also-rising Kai, which means sea in Hawaiian and is sometimes used for girls as well, or as a Kardashianization of the ancient goddess name Caia.
  5. KnoxHeart
    • Origin:

      Scottish
    • Meaning:

      "round hill"
    • Description:

      Knox is an old Scottish surname that Brad Pitt (whose great-great-grandfather was named Hal Knox Hillhouse) and Angelina Jolie took out of the back cupboard, dusted off, and elevated to coolness--to the point where it entered the popular baby names list in 2009. Knox now ranks among the most influential celebrity baby names.
  6. KoaHeart
    • Origin:

      Hawaiian
    • Meaning:

      "warrior"
    • Description:

      With Noah taking the Number 1 spot in 2013, Koa is attracting more attention than ever.
  7. KodaHeart
    • Origin:

      Japanese, Sioux
    • Meaning:

      "friend"
    • Description:

      A word in the Yankton-Yanktonai and Santee dialects of the Lakota Sioux language, meaning "friend" or "ally", used for one of the main characters in the movie Brother Bear. Also a common Japanese surname or a respelling of the musical name Coda.
  8. KeziahHeart
    • Origin:

      Hebrew
    • Meaning:

      "cassia tree"
    • Description:

      This lively Old Testament nature name (belonging to one of the three beautiful daughters of Job) may be missing from the current US Top 1000 list, but it ranks highly here on Nameberry — making it one to watch!
  9. KiaraHeart
    • Origin:

      Variation of the Italian Chiara or the Irish Ciara or Aboriginal Australian, Korean
    • Meaning:

      "light, clear; little dark one; cockatoo; first ray of sun"
    • Description:

      Kiara can be considered a variation of both the Italian name Chiara and the Irish name Ciara. Chiara is the Italian form of Clara, meaning "bright" or "clear," while Ciara is the feminine form of male given name Ciar, derived from the old Irish cíar, meaning "dark." Kiara is also an Australian name derived from an Aboriginal word for the white cockatoo, and has roots as a Korean name meaning "first ray of sun".
  10. KatherineHeart
    • Origin:

      Greek
    • Meaning:

      "pure"
    • Description:

      Katherine is one of the oldest, most diverse, and all-around best names: it's powerful, feminine, royal, saintly, classic, popular, and adaptable. Long one of the top girls' names starting with K, Katherine has now been unseated on the popularity list by upstarts Kennedy and Kinsley, but a dip in popularity only adds to its charm.
  11. KikiHeart
    • Origin:

      French nickname and Japanese
    • Meaning:

      "double happiness"
    • Description:

      Kiki is one of the Coco-Gigi-Fifi-Lulu bohemian-type French nickname names from the turn of the last century, which have endless energy and sparkle. Artist Kiki Smith is its most well-known contemporary representative, and Kiki was the inspiring heroine of Zadie Smith's On Beauty. Kiki can be a nickname for any name beginning with the K sound, from Katherine to Christina to Kayla.
  12. KaneHeart
    • Origin:

      Celtic
    • Meaning:

      "warrior"
    • Description:

      A name of multiple identities: a somewhat soap-operatic single-syllable surname, a homonym for the biblical bad boy Cain, and, when found in Japan and Hawaii, it transforms into the two syllable KA-neh. Kane also has multiple meanings: in Welsh, it's "beautiful"; in Japanese, "golden"; and in Hawaiian, "man of the Eastern sky."
  13. KateHeart
    • Origin:

      English, diminutive of Katherine
    • Meaning:

      "pure"
    • Description:

      Kate, in the headlines via Catherine Middleton, has been as pervasive as Kathy was in the 1950s and 1960s, both as a nickname for Katherine and Kaitlyn and as a strong, classic stand-alone name. Kate has an image that's independent, smart, and energetic, recalling Kate Hepburn, the heroine of The Taming of the Shrew/Kiss Me Kate, and contemporary Kates Winslet, Hudson, Moss, Spade and Beckinsale. Cate Blanchette has helped popularize that spelling of the name.
  14. KatieHeart
    • Origin:

      English, diminutive of Katherine
    • Meaning:

      "pure"
    • Description:

      Friendly mega-popular short form of Katherine that has definitively replaced Kathy, Katie is often given on its own. Going forward, though, Katie is more stylishly clipped itself to the grownup Kate.
  15. KeiraHeart
    • Origin:

      Irish
    • Meaning:

      "little dark one"
    • Description:

      Keira is an attractive girls’ name that's gotten a huge boost from the meteoric rise of Keira Knightley. Original spelling Kiera, which relates more directly to the male Kieran, was the more popular form until the rise of Keira Knightley reversed the order. Both are Anglicized versions of the Irish Ciara.
  16. KenzoHeart
    • Origin:

      Japanese
    • Meaning:

      "strong and healthy"
    • Description:

      Kenzo is a common Japanese name with several creative bearers: the single-named fashion designer, prizewinning architect Kenzo Takada, and painter Kenzo Okada, which makes it internationally recognizable.
  17. KillianHeart
    • Origin:

      Irish
    • Meaning:

      "church"
    • Description:

      Killian – aka Cillian – is a spirited yet resonant Gaelic name that was borne by several Irish saints and could make a distinctive replacement for the dated Kelly. Possible downsides: an unsavory first syllable and a connection to the trendy brew.
  18. KeirHeart
    • Origin:

      Irish
    • Meaning:

      "dark, black"
    • Description:

      Keir is a single-syllable name that packs a lot of punch, might suggest -- thanks to its similarity to the word care -- a caring person. Sir Keir Rodney Starmer is a British politician and head of the Labour Party in 2020. Keir Dullea is an American actor who starred in 2001: A Space Odyssey.
  19. KinsleyHeart
    • Origin:

      English
    • Meaning:

      "king's meadow"
    • Description:

      Kinsley, a name that straddles the line between cute and classy, continues to rise in popularity and is now one of the top girls' names starting with K. Kinsey is the name of the heroine of Sue Grafton's alphabet mysteries and Tinsley gives the name a high society spin.
  20. KaiusHeart
    • Origin:

      Spelling variation of Caius, Latin
    • Meaning:

      "rejoice"
    • Description:

      Kaius is a K-ization of the Latin Caius, the name of an ancient poet, introduced by style maven Rachel Zoe. Nickname Kai makes the variation make sense....almost.