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Three Letter Boy Names

Three Letter Boy Names

Three letter boy names are led by Kai, one of the sleek international male names in this fashionable category.

Along with Kai, other baby boy names with three letters in the US Top 300 include Eli, Ian, Leo, Max, Jax, and Ace.

Many of the most classic male nicknames are three letter names: Bob, Jim, Tom, Tim, Joe, and Sam, for instance.

Unique three letter names for boys on our recommended list include Art, Asa, Cal, Fox, Lev, Mac, Pax, Rex, Sem, Van, and Wim.

Take a peek at our full list of three letter names for boys below. You might also want to have a look at the list of Three Letter Girl Names.

  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. LeoHeart
    • Origin:

      Latin
    • Meaning:

      "lion"
    • Description:

      Leo was derived from the Latin leo, meaning “lion.” Thirteen popes have carried the name, including St. Leo the Great. In Germanic languages, Leo has historically been used as a nickname for names including Leon and Leopold. In Latinate languages, Leonardo is considered a full form for Leo.
  3. 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.
  4. AriHeart
    • Origin:

      Diminutive of Ariel, Hebrew
    • Meaning:

      "lion of God"
    • Description:

      Ari, the short form of Ariel (or any other Ari- beginning name, such as Aristotle) stands up better as a boys’ name than its progenitor does. It is also short for Aristotle, as in Onassis, and is a prominent character on TV's Entourage -- the uberagent Ari Gold.
  5. KoaHeart
    • Origin:

      Hawaiian
    • Meaning:

      "warrior"
    • Description:

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

      English and German diminutive of Maximilian or Maxwell
    • Meaning:

      "greatest"
    • Description:

      Max was derived from Maximilian, a Latin name that originated from the Roman family name Maximus. The character name Max in the children's classic Where the Wild Things Are had an impact on baby namers. Max is a widely used name internationally.
  7. EliHeart
    • Origin:

      Hebrew
    • Meaning:

      "ascended, uplifted, high"
    • Description:

      Eli derives from the Hebrew ’aly, meaning “high.” In the Old Testament, Eli was the high priest and last judge of Israel, who trained the prophet Samuel. While Eli is a full name on its own, it can be a shortened form of Elijah, Elias, Eliezer, or even Elliot. Eli is used as a feminine name—most often as a nickname for Elisabet or Elin—in some Scandinavian countries.
  8. RenHeart
    • Origin:

      Diminutive of Rene or Japanese
    • Meaning:

      "water lily; lotus"
    • Description:

      A very popular name for boys, also used for girls, in Japan, most familiar in the West as half of cartoon's "Ren and Stimpy," and as the hero in both the original and updated versions of "Footloose."
  9. AsaHeart
    • Origin:

      Hebrew; Japanese
    • Meaning:

      "healer; born in the morning"
    • Description:

      A short but strong biblical name with multicultural appeal, Asa is enjoying new visibility thanks to hot young actor Asa Butterfield of Hugo fame.
  10. IanHeart
    • Origin:

      Scottish version of John
    • Meaning:

      "the Lord is gracious"
    • Description:

      Ian is Scottish form of John, derived from the Hebrew name Yohanan. It is an Anglicization of the Scottish Gaelic Iain, which is also a viable spelling. Ian was introduced to Americans by Ian Fleming, creator of James Bond.
  11. AshHeart
    • Origin:

      Diminutive of Asher, English
    • Meaning:

      "ash tree"
    • Description:

      Ash has Southern charm plus the arboreal-nature appeal. Plus your little boy will prize Ash as the name of the hero of the Pokemon cartoons. Ash can also be a dashing short form of Asher, Ashton, or any other "Ash" name.
  12. AceHeart
    • Origin:

      Latin
    • Meaning:

      "one, unity"
    • Description:

      No longer tied to the hapless Ace Ventura, this jaunty, high-flying nickname name is starting to take flight among celebrity and other parents, with its countless positive references to doing well in tests and poker games, on the tennis court and golf course, and in the air.
  13. FoxHeart
    • Origin:

      Animal name
    • Description:

      Fox is one animal name backed by a longish tradition, and then popularized via the lead character Fox Mulder on X Files. Fox is simple, sleek, and a little bit wild, and could make an interesting middle name.
  14. IraHeart
    • Origin:

      Hebrew
    • Meaning:

      "watchful one"
    • Description:

      Ira is one of the shortest, non-biblical sounding Old Testament names, belonging to one of King David's thirty 'mighty warriors.' It was widely used in the US from the 1880s to the early 1930s (it was Number 57 on the Social Security list in 1881), but fell off completely in 1993. Although Ira is also a retirement-account acronym, it's back on the table for those seeking a short biblical name for their sons, and reentered the US Top 1000 in 2016. A musical namesake is lyricist Ira Gershwin (born Israel), a literary one is Ira Levin, and there are two prominent Iras hosting NPR radio shows.
  15. MacHeart
    • Origin:

      Scottish or Irish
    • Meaning:

      "son of"
    • Description:

      In Ireland and Scotland, Mac and Mc mean "son of"; here, Mac is a generic fella, or a short form cooler than either Matt or Max. Mac can be a nickname of any longer Mac or Mc starting name such as McCoy or Macalister. If you want to make it feel more complete, you can always spell it Mack.
  16. IvoHeart
    • Origin:

      German
    • Meaning:

      "yew wood, archer"
    • Description:

      Ivo is an unusual, catchy name with the energetic impact of all names ending in 'o'. Hardly heard in the U.S., it is used a bit more frequently in England, as is the related Ivor, a favorite of such novelists as Evelyn Waugh and P.G. Wodehouse. Ivo is currently most popular in the Netherlands.
  17. LevHeart
    • Origin:

      Hebrew, Russian
    • Meaning:

      "heart; lion"
    • Description:

      This concise one-syllable name, has two possible derivations and two positive meanings associated with it. In Hebrew, it means "heart", while in Russian it means "lion". So strong and simple Lev has both a soft and a fierce side.
  18. NeoHeart
    • Origin:

      Latin or Tswana
    • Meaning:

      "new or gift"
    • Description:

      This nouveau name of Keanu Reeves's character in The Matrix has not enjoyed the same burst of popularity as its female counterpart, Trinity, but it definitely sounds, well, newer. Neo Rauch is an interesting contemporary German artist.
  19. RexHeart
    • Origin:

      Latin
    • Meaning:

      "king"
    • Description:

      Now that many dogs are named Max, it's safe to use this sleek, solid, regal name again for your child. And with the charm of its final x, its regal meaning, and its offbeat simplicity, Rex is definitely one to consider.
  20. JayHeart
    • Origin:

      Latin
    • Meaning:

      "jaybird"
    • Description:

      Though this feels like a modern invention, Jay has been in use for centuries. Early Jays often were named in honor of founding father John Jay, whose surname derived from the jaybird. A popular mid-century choice, Jay was in the Top 100 from 1956 to 1970. In the last couple of decades he was replaced by such more elaborate forms as Jayden, Jaylen, and Jayce. But Jay could make a comeback in tandem with cousins May, Kay, Fay, and Ray.