Boys Names Beginning With O

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.

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 Switzerland. Why? Because Oliver is energetic and good-natured, stylish but classic, with a meaning symbolizing peace and fruitfulness.

Otto is cool again. Long a quintessential Old Man Name, Otto has been promoted to trending darling of adventurous baby namers.

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 everyone's idea of a role model, his nickname name, along with others like it (think Iggy, Ziggy and Izzy) are forging their own way up the charts.

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 seemed to own the name during his lifetime, it's now an interesting possibility for any parent seeking an unusual yet solid name. It's started to appear to the celeb set too -- both Paz Vega and Lauren Ambrose have little Orsons.

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 ending, it's not wonder Oakley is on the rise.

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.

Soft and sensitive name often heard in Israel.

The name of the brave, resourceful hero of Homer's epic saga has almost always been considered too weighty for a child to bear, but at this point, some brave, resourceful parents out there might be willing to take it on.

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 a stand-alone choice which may appeal to those who enjoy the likes of Ty, Ed, Bo, and Cy.

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 the uncommon forename Octavus, which designated an eighth son.

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.

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.

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 volcanoes and geology in a little boy.

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

Unisex name in Israel, ideal for a Hanukkah baby.

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

Idiosyncratic Hebrew choice.

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