1900+ Four Letter Boy Names

Cayo is a rare and rhythmic Spanish name, all but unknown in the English-speaking world, that would make a lively choice.

The origin of the Anglicized Ryan, this Irish name feels like a brighter and fresher alternative.

Commonly used Japanese name -- and not only for a second son.

Although this variation is less popular than ultra-trendy Aiden, this simplified spelling doesn't do anything for the name.

A traditional Arabic name with cool short form Khai, which was used as a standalone by Gigi Hadid and Zayn Malik in 2020.

Calm, straightforward, patrician sounding: Pace is one new-style name that's well-grounded.

Consider this short form for your little Richard.

Authors or Francophiles – or both – could consider this zippy name in honor of renowned French writer Émile Zola, author of Germinal, Thérèse Raquin and the infamous open letter J'Accuse...!.

Irie is an upbeat and modern name that originated as a Rastafarian term for "positive and powerful."

This name, with its great meaning, has seen a notable rise for boys since the mid-2010s. It debuted on the US charts for girls in 2021.

Olaf, though sainted and regal in Norway, is slightly oafish here. It is one of those names that has become completely familiar in the U.S. without ever becoming assimilated. Now that he's a comical character in Disney's Frozen, he might get some more attention.

Popular Dutch name that reflects the short, clipped style in vogue in that country. Bart, another short form of Bartholomeus and Bartholomew, is also popular there.

Military word names, from Cannon to Major, are in, but Tank might push things a bit too far.

Kali is a popular girls' name in the US with dark origins: She is the Hindu goddess of death and destruction, though we'd wager many parents see the name as simply a respelling of Callie.

We normally think of Cat and Kat as girls names -- nicknames, essentially, for Catherine and Katherine. But actor Katt Williams, Emmy-nominated for his role in Atlanta, presents the intriguing possibility of it working for a boy as well. He was originally born Micah, and so far, U.S. parents haven't shown much love for Katt as a whole name -- but with unique unisex names drawn from nature on the rise, we wouldn't be surprised to see it catch on.

French spelling of Leo, currently a bit hit with French-speaking parents.

The pronunciation is not intuitive to English speakers, who aren't used to Os said as As.

In Greek mythology this was an alternative name of the god Chronos, also used in English and a good candidate for baby name usage due to its good meaning and name-like sound.

Acer is the Latin botanical name for the Maple tree. Where Maple feels quite feminine, Acer is a more masculine way to reference this tree.

Fane, used as a nickname in the Middle Ages for someone with a cheerful disposition, is one of the more offbeat members of the Zane-Kane family.