If you’re looking for something more traditional like Kenneth, or something more unusual like Kress, here is a solid list of baby names that start with the letter K to help you find the perfect option for your little boy.

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Modern Baby Boy Names Starting with K

First we'll start with the most popular baby boy names in 2021:

  1. Kejuan
  2. Kyjuan
  3. Khamani — Khamani, as mentioned, most likely originates from African tribal culture. Some individuals believe that Khamani is a Sanskrit baby name. In Indian culture, it means "jewel of the sky."
  4. Kolbe
  5. Kalob — Kalob comes from the baby name Caleb. The latter is one of the rare classical titles that remain popular in America.
  6. Kavion — Kavion has no records on the top 1,000 list of the Social Security Popularity Index. It is ironic, as its predecessors, Kavan and Kayvan, are not top 1,000 options either.
  7. Karol — Karol comes from the traditional Germanic name Karl. Karl comes from the word "karl," which most agree means "man." There is some debate that Karl translates to "army" or "warrior."
  8. Kolson
  9. Keoni — Keoni as a given name has never been in the top 1000 baby names for the entire United States, but it was in the top 100 baby boy names in Hawaii for almost every year between 1977 and 2001.
  10. Kaydin
  11. Kartier — Kartier is an alternative spelling for Cartier that carries all the same qualities of luxury and class!
  12. Kevyn — Kevyn may not rank on the list of most popular American names, but but Kevin has been on the list consistently since 1921!
  13. Kris — Kris is less popular than Chris. Both began as nicknames for the same names. They only had different spelling variations like Christian and Kristian, for instance.
  14. Kross
  15. Kenai
  16. Kemari
  17. Kassius — Kassius is a boys' name, but some of its nicknames are more popular among girls. Examples include Kass and Kassie.
  18. Karam
  19. Kylin
  20. Kellin — Kellin is not a top 1,000 name in America as of yet. In comparison, however, Kellen is a top 800 option as of 2020.
  21. Kainen
  22. Kendell — Kendell is an alternative to Kendall, a name that has been a top 1,000 baby name for girls in the United States since 1964. Kendall was most popular during the 2000s and 2010s.
  23. Kaizer — Kaizer comes from the German imperial title Kaiser and the Latin title Caesar.
  24. Kyngston
  25. Kadence — Kadence is the least popular out of all spelling variations as it ranks number 1,000. Cadence is rank 677 while Kaydence is rank 692.
  26. Kashmir
  27. Kainoa — Kainoa is the equivalent of the name "Junior" in Hawaiian culture.
  28. Kevin — Kevin ranked among the top 100 baby names for boys from the 1950s through the early 2010s. It is also the namesake of tunes like "Kevin's Song" by the Goo Goo Dolls.
  29. Kyro
  30. Kylian — The Kylian spelling of the popular Irish name was brought to the lexicon by French soccer star Kylian Mbappe.
  31. Kelan — Kelan once ranked among the top 1,000 baby names for boys as the 978th most popular name of 2007. It is also the namesake of the song "Kelan Kaya" by Christian Bautista.
  32. Kiptyn
  33. Kipton
  34. Kaycen
  35. Khaza
  36. Kysen — Kysen is the name of a popular YouTube and Twitch channel for gamers. The channel focuses on tips, tricks, and guides to the popular survival game Valheim.
  37. Kion
  38. Kodi — Kodi originated as an alternative to Cody. Cody was originally a surname. It became popular in America because of the western hero Buffalo Bill Cody. He existed in the late nineteenth and early twentieth centuries.
  39. Kanon
  40. Khyree — Khyree as a given name is a variant of Kyrie. Kyrie comes from the Christian prayer “Kyrie Eleison” and means “Lord, have mercy” and is often used in liturgies in Roman Catholic, Greek Orthodox, and Anglican Churches..
  41. Kaleo — Kaleo once ranked among the top 1,000 baby names for boys born in the Canadian province of Quebec as the 793rd most popular name of 2019.
  42. Kanye — Kanye is most associated with the African origins mentioned. It may also have Hawaiian origins, however, as a word that translates to "free."
  43. Kairo — Kairo helps this baby name feel more real. When spelled Cairo, many individuals immediately think of the city name instead of the baby name.
  44. Kelby — Kelby as a given name was popular in the late 80s and 90s in the US as an alternative to the name Shelby.
  45. Kacen
  46. Kyle — Kyle as a name was briefly popular for girls but disappeared off of the top 1000 list in 1990. It peaked at #606 in 1987.
  47. Kanan — Kanan is a unisex baby name of diverse origin. Kanan is particularly popular in Arabic-speaking countries and in Japan.
  48. Kaedyn — Kaedyn is one of the most unique variants of this popular name, with only 63 boys born named Kaedyn in 2020!
  49. Kyden
  50. Kylar — Kylar peaked in popularity as the 1585th most popular baby name for boys in 2013. In contrast, the alternative spelling Kyler has ranked among the top 500 baby names for boys since 1992. Kyler was the 244th most popular baby name for boys in 2020.

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Unique Baby Boy Names Starting With K

While it’s fun to see what lots of other people are naming their babies, many people prefer to find baby names that are more uncommon. To that end, below is the some of the more unusual & unique boy names that start with K:

  1. Kylo
  2. Kaden — Kaden is a popular celebrity baby name. Singer Toya and her husband Coach Tee Martin have a child named Kaden. NFL player Kyle Arrington, baseball player Kenley Jansen and NASCAR driver Rob Rizzo also have sons with the name.
  3. Kiaan — Kiaan first appeared among the top 1,000 baby names for boys as the 846th most popular name of 2019, and it has remained on the list ever since.
  4. Kenneth — Kenneth is a very Gaelic name and is important to the culture. This is because the first King in Scotland had the name and a crusader from the countries was Sir Kenneth.
  5. Kaisen
  6. Kingston
  7. Knowledge
  8. Kaius — Kaius may have Etruscan origins. There is a man with the name Gaius in the New Testament of the Bible. He was a bishop to Ephesus and a saint, leaning towards this Etruscan background.
  9. Khaled — Khaled as a given name is best known as the name of popular musician and actor DJ Khaled.
  10. Kaiser
  11. Knox — Knox first appeared among the top 1,000 baby names for boys as the 703rd most popular name of 2009. Most etymologists attribute this occurrence to the birth of Knox Leon Jolie Pitt (son of celebrities Angelina Jolie and Brad Pitt) in 2008. Knox went on to rank among the top 500 baby names for boys from 2010-2020.
  12. Kerry — Kerry ranked among the top 500 baby names for girls from 1948-1991 and the top 500 baby names for boys from 1943-1991. It is also the namesake of the song "Kerry" by the rock band Hall & Oates.
  13. Khari — Khari is a West African boys’ name, but it is also used often for girls in the United States because it is similar to Carrie.
  14. Kyng — Kyng first appeared among the top 1,000 baby names for boys as the 963rd most popular name of 2017. It has continued to rank among the top 1,000 boy names ever since.
  15. Kayden — Kayden first entered the name charts in 1999 as the 999th most popular name for boys. The name soared in popularity and ranked among the top 100 baby boy names by the early 2010s.
  16. Kenzo
  17. Kyrie — Kyrie first ranked among the top 1,000 baby boy names in 2012 and has risen through the ranks ever since. Some experts attribute this popularity to the international fame of athletes like basketball star Kyrie Irving and football player Kyrie Wilson. In addition, the name Kyrie ranked among the top 1,000 baby girl names during the mid-1980s. It is also the namesake of the song "Kyrie" by the rock band Mr. Mister.
  18. Krew
  19. Keion — Keion Brooks, Jr. may be the most notable person with the name. He's a star basketball player at the University of Kentucky and is considered a major contender for the NBA.
  20. Kilian
  21. Kai — Kai is an extremely popular baby name among celebrities. Actress Jennifer Connolly, TV host Mark Steines and actress Naomi Watts are just a few notable people who have sons named Kai.
  22. Khristian
  23. Kyzer — Kyzer comes from the name Kaiser that originated in Germany, but neither are hardly used as given names in the country. It is literally just a title there.
  24. Kyrin — Kyrin peaked in popularity as the 1,204th most popular name for boys born in the United States in 2017. It was also the 14,025th most popular baby name for girls that year.
  25. Kayne
  26. Klayton — Klayton Adams may be the most notable person with the name. Adams played college football, but he is more well-known as a coach. He's coached football at several colleges and universities, including the University of Colorado Boulder, San Jose State University, Sacramento State University, Western Washington University, and Boise State University. These days, he's the tight ends coach for the NFL's Indianapolis Colts.
  27. Kaiden
  28. Kabir
  29. Karon — Karon is also a fairly common surname. Author Jan Karon is one notable example. She has written dozens of books for adults and children, including the popular Mitford series.
  30. Khai — Khai peaked in popularity as the 1,136th most popular baby name for boys in 2018.
  31. Keegan — Keegan has ranked among the top 500 baby names for boys since 1991.
  32. Kameron — Kameron is still not as popular as the traditional spelling, Cameron. The first ranks at number 299, while the latter ranks 64 as of 2020.
  33. Kashton
  34. Kace
  35. Kyler
  36. King
  37. Kavon — Kavon is closely related to the planet Saturn, which is named for the Roman god of time and agriculture.
  38. Kollin
  39. Khamari — Khamari is a trendier spelling of Kamari. Despite this, however, Kamari remains more popular, ranking as a top 400 option in 2020.
  40. Kory
  41. Kase — Kase is a "young" name that made its debut on the list of the top 1,000 baby names in 2012. The name has been climbing in popularity ever since then!
  42. Kristofer
  43. Koa
  44. Keyshawn
  45. Karsyn
  46. Kingsley — Kingsley first appeared among the top 1,000 baby names for boys in 2010. The name Kingsley has ranked among top 1,000 baby boy names from 2010-2020.
  47. Kevon — Kevon has one of the most rapid declines and rises in popularity. It jumped 400 points in one year, and right after, declined nearly 200 points.
  48. Kiyan
  49. Kiran — Kiran isn't a popular name in the United States just yet, but it may find some inspiration. Actress Kelli Williams, who is best known for her roles on shows like "The Practice," "Army Wives," and "Lie to Me," chose the name Kiran Ram for her son.
  50. Keith

Did you find any winners in the list of rare boy names that start with K? If not, don't worry! We have thousands more names on the site to choose from. Be sure to check out all baby names that start with K as well as middle names that start with K.