Three Letter Boy Names
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About this list
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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The names
Leo
Latin
"lion"
Leo is a strong-yet-friendly name that was common among the Romans, used for fourteen popes, and is now at its highest point ever in the US. Brave but sparky, Leo has ranked in the Top 20 in the US,…
Ian
Scottish version of John
"God is gracious"
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…
Kai
Hawaiian, Frisian, Chinese
"sea; warrior; triumph"
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. In the US, the name Kai is most commonly…
Eli
Hebrew
"ascended, uplifted, high"
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. Derived from the Hebrew ’aly ,…
Ace
Latin
"one, unity"
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…
Max
English and German diminutive of Maximilian or Maxwell
"greatest"
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…
Koa
Hawaiian
"warrior; flowing tree native to Hawaii"
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 its cool K initial and summery,…
Ali
Arabic
"supreme, exalted"
This is one of the ninety-nine attributes of Allah, deemed by Muhammad to be a recommended name for a male child. In this country, it's been primarily associated with boxing immortal Muhammad Ali,…
Jax
Modern invented name, English
"God is Gracious"
With its cool -X ending, Jax is an update on the classic nickname Jack, likely inspired by the rise of Jackson. It garnered attention in the US thanks to the game, Mortal Kombat II back in the '90s,…
Jay
Latin
"jaybird"
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…
Ari
Diminutive of Ariel, Hebrew
"lion of God"
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…
Asa
Hebrew; Japanese
"healer; born in the morning"
A short but strong biblical name with multicultural appeal, Asa is enjoying new visibility thanks to hot young actor Asa Butterfield of Hugo fame. Asa was the name of an important biblical king of…
Roy
French or Celtic
"king or red-haired"
We've seen Ray regain his cool, but could this country/cowboy name epitomized by Roy Rogers (born Leonard Slye), Acuff, and Clark, do the same? Roy came into use in the late nineteenth century,…
Rio
Spanish, Portuguese, Japanese
"river; place of the cherry blossoms"
Rio is a reductive ranchero place-name with an attractive Tex-Mex lilt. No Doubt's Tom Dumont has a son named Rio Atticus. Also a South American place name, and associated with the Rio Grande, it's…
Ebb
Ebb is an uncommon masculine name with English origins, derived from a word meaning 'low tide' or 'receding water.' This short, punchy name carries natural imagery related to the rhythmic flow of…
Cal
Diminutive of names including Cal
"dog; the whole of; dove; bald; war-strife; beautiful"
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…
Tru
Diminutive of Truman, word name, English
"loyal one; true"
With its gentle sound but edgy vibe, Tru ticks the boxes for several modern trends: one syllable boy names (see Brooks), alternatively spelled word names (see Chozen), word names with spiritual…
Sam
English, diminutive of Samuel
"told by God"
Sam has long been used on its own for boys, as accepted standing by itself as it is as a short form of Samuel. Straightforward and down-to-earth, Sam is the name of the son of the co-stars of The…
Lew
Short form of Lewis, English variation of Louis
"renowned warrior"
Lew is a masculine name that originated as a short form of Lewis or Louis. It has English and Scottish roots, derived from Germanic elements meaning 'famous battle' or 'renowned warrior.' The name…
Dax
French place-name
The appealingly energetic Dax, with its trendy X-ending, re-entered the Top 1000 in 2007. Its somewhat sci-fi vibe emanates from his appearance as a fictional being in the Star Trek universe, seen on…