Boys Names Beginning With O

Oliver

Germanic, Latin

"elf army; ancestor's relic; olive tree"

Oliver is an international star, ranking near the top of the charts throughout the English-speaking world and in a host of European and Latin American countries, from Norway to Chile, Slovenia to…

Oscar

English or Irish

"God spear, or deer-lover or champion warrior"

Oscar is one of the most stylish Old Man Names of our era. While it's softened slightly in popularity over the past 20 years, that may be considered a very good thing. In the nineties and the…

Otto

German

"wealthy"

Otto is cool again. Long a quintessential Old Man Name, Otto has been promoted to trending darling of adventurous baby namers. Like most German names , Otto fell out of favor during and after the two…

Oakley

English

"oak wood or clearing"

As sturdy as Oak, but with stronger roots as a first name, Oakley ticks lots of boxes for modern trends. With its unisex vibe, its nature-based meaning, its surname-y feel, and its popular -lee…

Ozzy

Pet form of Oswald, Osborn, Osmond or Oscar, English

"divine; deer"

Cute but cool, fresh but familiar, Ozzy was one of the fastest-rising boy names of 2021 and has continued to rise in the US and the UK ever since. While hard-core rocker Ozzy Osbourne might not be…

Oren

Hebrew

"laurel or pine tree"

Soft and sensitive name often heard in Israel.

Orson

Latin and English

"bear cub"

In the past, Orson has felt like a one-person moniker, tied to film director Orson Welles, who dropped his given name of George in favor of his more distinctive middle. While the Citizen Kane creator…

Oskar

German variation of Oscar

Oskar is to Oscar as Jakob is to Jacob: more distinctive and continental.

Octavius

Latin

"eighth"

Octavius, which was at one time used for the eighth child in a family, has the worn leather patina of all the ancient Roman names now up for reconsideration. As a Roman family name, it derives from…

Oak

English tree name

"tree from the genus Quercus"

Oak, a symbol of solidity, strength, and longevity, is joining Cedar and Pine as a viable name, one that would work especially well in the middle. If you'd prefer to take the longer route to the…

Octavian

Latin

"eighth"

With the rise of ancient Roman names, Octavian suddenly seem plausible again. A variation of Octavius and relative of the more modern Octavio, it's an equally attractive member of the trio.

Odysseus

Greek mythology name

"wrathful"

The name of the brave, resourceful hero of Homer's epic saga, Odysseus is associated with hatching the Trojan Horse plot, and with his long and challenging journey home to his kingdom. Possibly…

Oaks

English

"oak tree"

A cool, nature-inspired surname for someone who lived near an oak tree or in an oak wood, also spelled Oakes.

Oz

Hebrew, English, Irish

"strength, powerful, courageous; god's warrior; deer friend"

While some may think of ruby slippers and a yellow brick road, Oz is a legitimate Hebrew name denoting power. An element in a number of names including Ozni, Oziel, and Ozias, it may also be used as…

Oberon

Variation of Auberon

"elf king; noble bear"

The Shakespearean character Oberon in A Midsummer Night's Dream is King of the Fairies, but the name, with its bold 'O' beginning has plenty of strength alongside its magical qualities. Oberon was…

Obsidian

English word name

This rarely used boys name is one of the few gem names for a boy. Obsidian is actually a type of volcanic glass, formed when lava cools very quickly. This ultra-cool name might spark a love of…

Ovie

Nigerian

"king"

Ovie entered the British Top 1000 in 2020, following the appearance of contestant Ovie Soko on Love Island in 2019.

Orel

Hebrew

"light of God"

Unisex name in Israel, ideal for a Hanukkah baby.

Optimus

Latin

"best"

Extremely rare, but seen as a baby boy name every once in a while, influenced by Transformers character Optimus Prime.

Orchard

English from Latin

"garden yard"