Three Letter Boy Names
Updated Wed Nov 22 2023
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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 nicknames are three letter male 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., ordered by their current popularity on Nameberry.
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- Leo
Origin:
LatinMeaning:
"lion"Description:
Leo is a strong-yet-friendly name that was common among the Romans, used for thirteen popes, and is now at its highest point ever in the US thanks in part to Leonardo "Leo" DiCaprio.
- Kai
Origin:
Hawaiian, Frisian, ChineseMeaning:
"sea; warrior; triumph"Description:
Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.
- Kit
Origin:
English, diminutive of ChristopherMeaning:
"bearer of Christ"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 back in the 2000s, while actor Kit Connor of Heartstopper fame may have introduced it to a wider audience.
- Max
Origin:
English and German diminutive of Maximilian or MaxwellMeaning:
"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.
- Eli
Origin:
HebrewMeaning:
"ascended, uplifted, high"Description:
With its sharp, succinct sounds and cool, laidback style, Eli is a popular choice among parents today. Compact and punchy, it is a Biblical name with plenty of charm.
- Koa
Origin:
HawaiianMeaning:
"warrior; flowing tree native to Hawaii"Description:
The international popularity of Noah has led to some parents searching for alternatives and the rhyming Koa is now attracting more attention than ever. With it's cool K initial and summery, nature-inspired feel, this punchy three letter name has risen more than 600 places since it entered the US charts in 2017.
- Asa
Origin:
Hebrew; JapaneseMeaning:
"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.
- Ian
Origin:
Scottish version of JohnMeaning:
"God 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.
- Ari
Origin:
Diminutive of Ariel, HebrewMeaning:
"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.
- Ira
Origin:
Hebrew, SanskritMeaning:
"watchful one; wind"Description:
Succinct and sharp, Ira is one of the shortest 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, only to return in 2016. Currently, it is in the latter half of the US Top 1000, given to around 260 boys each year.
- Ren
Origin:
Japanese, LatinMeaning:
"water lily, lotus, romantic love, move forward; reborn"Description:
A very popular unisex name in Japan, Ren is a concise and versatile choice that could work across multiple languages. A rising star in England and Wales where it ranks in the Top 1000, it is also on the rise in the US where it was give to nearly 90 girls and 200 boys in a recent year.
- Ray
Origin:
Diminutive of Raymond, word name, EnglishMeaning:
"wise protector; beam of light"Description:
Simple, short, and cool, Ray gives off retro vibes thanks to its 20th century popularity, and its links to jazzy Ray Charles and Ray-Ban sunglasses. A popular middle name for boys, it is well established as a given name too.
- Ivo
Origin:
GermanMeaning:
"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.
- Gus
Origin:
Diminutive of Augustus, Angus, Gustave, Augustin, Augusten, Augustine, AugustDescription:
Gus is a homey grandpa nickname name that can work as a short form for any of the above or stand on its own as a cutting-edge replacement for Max and Jake--though it was off the Top 1000 from 1978 until 2016, when it squeaked in at Number 999.
- Ash
Origin:
Diminutive of Asher, EnglishMeaning:
"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.
- Ace
Origin:
LatinMeaning:
"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.
- Cal
Origin:
Diminutive of names including CalMeaning:
"dog; the whole of; dove; bald; war-strife; beautiful"Description:
Cal is a nickname style name that feels as friendly and calm as it does cool and breezy. While its longer forms have proved more popular over the years, Cal as a stand alone has dropped on and off of the US Top 1000 since the 1880s.
- Lev
Origin:
Hebrew, RussianMeaning:
"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.
- Fox
Origin:
Animal nameDescription:
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.
- Guy
Origin:
FrenchMeaning:
"wood"Description:
The patron saint of comedians and dancers (also known as St Vitus) has a name that is both the ultimate everyman, and has a hint of British aristocracy. In the States, Guy was most popular in the 1950s. Now he hovers steadily below the Top 1000, in the sweet spot of familiar but not overused. With the meteoric rise of Kai, Guy may have potential with parents looking for a more classic name with a similar sound.