Unique Baby Names Ending In O

A kindly, virtue-adjacent name, it appears in Shakespeare's Romeo & Juliet, borne by the peacemaker friend who persuades Romeo to go to the party where he meets Juliet. Alas. A bold choice but with familiar nicknames Ben, Lio, and Bo.

Benvolio

There are many in Japan, but for most Americans there's only one Yoko.
 
Yoko Ono writes her name with characters meaning "ocean" and "child".

Yoko

A traditional possibility for a Japanese or Japanese-American child born in April or May. 

Haruko

Quito is a place-name (it's the capital of Ecuador) with lots of lively energy--as long as it's pronounced correctly. 

Quito

One of the best known early Nemos was the captain in Twenty Thousand Leagues under the Sea, while the more familiar modern one is the animated little orange fish in the Disney movie. Unusual name well worth considering. By the way, there is also a Shakespearean Nemo and one in Dickens's Bleak House. An enchanting early comic strip by Winsor McCay was called Little Nemo.

Nemo

The unique O-ending makes this name memorable, especially for someone with ties to Texas.

Alamo

Aniko has the feel and rhythm of a Japanese name but in fact it's an Eastern European spin on Anna.

Aniko

Peridot is the gem of the month of August, a vibrant green mineral, said to be good for helping people put the past behind them, and an interesting, undiscovered jewel name. It was regarded in ancient times as the symbol of the sun.
 Peridots figure in the mythologies of several cultures, including the ancient Egyptian and Roman. They are highly valued in Hawaii, where it is believed that they are the tears of the volcano goddess Pele. 
 If you want a truly original gem name, you might consider this instead of Opal or Ruby.

Peridot

Theano was a 6th century Greek philosopher, who has been called both the wife and student of Pythagoras, though not enough is known about her life to say which was true. Her surviving writings focus on how to deal with children, physicians, philosophers, servants, and unfaithful husbands. 
 
Also held by several minor figures in Greek mythology, the name derives from the Greek thea meaning "goddess". Theano is currently a very obscure choice in the US, however, the short form Thea might make it feel familiar to those outside of Greece. 
 
Politician and architect Theono Fotiou is one notable bearer while Theano is also the name of a software for evaluating mathematical expressions.

Theano

Tamriko is a Georgian variation of the Biblical Tamar, used as both a nickname and as a standalone choice. 

Tamriko

The Spanish form of the Ancient Greek Telesphoros, a minor god of healing in Greek mythology. While old-fashioned in Spanish-speaking countries, the nickname possibilities and stylish -o ending make this an interesting mythological choice with a fun Latinate twist. 

Telesforo

A musical Estonian name, notably borne by Estonian writer and poet Leelo Tungal. 

Leelo

Derived from the Greek myrtos, Myrto appears a number of times throughout Greek mythology. It is the name of one of the Maenads (followers of Dionysus), the sister of Patroclus, and an Amazon woman.
 
With its cool -o ending, it could make an interesting twist on vintage-feeling Myrtle.

Myrto

A sweet sounding name with a powerful meaning, Minoo is a name of Persian origin that is used in Iran and India, and by Iranian families across the world. Actress Minoo Mumtaz, scientist Minoo Lenarz, and actress Minoo Sharifi are notable bearers of the name, while Minu is an alternative spelling. 

Minoo

Vieno is a unisex name that comes from the Finnish word for "gentle". With its dashing -o ending and sleek sound, we think that Vieno is a fashionable choice that could work well outside of Finland. 

Vieno

This rare masculine form of Sophia could add a fresh twist on the popular name. It is occasionally used as a feminine name in Georgia too, making this a unisex possibility. 

Sophio

An alternative spelling of Sopio, Sophio is occasionally used as a variation of Sophia in Georgia. 

Predominantly used in Georgia, Sopio is a variation of Sophia. This interesting twist on the popular name is borne by master chess players Sopio Tkeshelashvili and Sopio Gvetadze along with influencer Sopio Kvinikadze (who also uses Sophia).

Sopio

A spiky and unexpected diminutive form of Sopio and Sophia, Sopiko is predominantly used in Georgia. Also spelled as Sofiko and Sophiko, notable bearers include chess played Sopiko Guramishvili and actress Sofiko Chiaureli.

Sopiko

This Georgian diminutive of Sophia can also be spelled as Sopiko and Sofiko and could be a way to make your Sophia stand out if Soph doesn't appeal to you as a nickname. Journalist, author, and presenter Sophie "Sophiko" Shevardnadze is a notable bearer. 

Sophiko

 that end in O (and the "o" sound) are among the very hottest right now, with the likes of Leo and Theo, Harlow and Margot rocketing up the popularity ranks.

 out there, just waiting to be discovered. We've polled our members to bring you 100+ of Nameberry's very favorite unique O-ending baby names, from Amparo and Benno to Yarrow and Zeno.

If you want to see even more baby names ending in O, check out our complete lists of 

If quirky baby names ending in O are your thing, find our full list of rare, uncommon, and unique names ending in o here.

Unique baby names that end in the letter O, with meanings, origins, and popularity, including top O-ending boy names such as Leo and Theo as well as unique, uncommon boy names that end with the letter O. (Page 7)

Unique Baby Names That End in O