Updated November 2026
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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…
Diminutive of Odell, Otis; English, German
"of the valley; wealthy"
This old-timey nickname for Otis and Odell is strongly tied to Garfield’s canine companion in the Garfield comic, movie, and TV franchise. Actress Ashley Williams gave it signs of life when she used…
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…
Old English
"God's friend"
Ancient name, near obsolete now, but could make a good alternative to Owen for the adventurous baby namer. Doctor Who fans will recognize this as part of his companion's name, Clara Oswin Oswald.
Egyptian
"fertile spot in a desert"
Oasis is an ultra-rare word name that has only ever been used for a handful of babies born in the US. Its appeal is undeniable, though. An oasis can be a place of refuge, or a place of beauty, in an…
English
"divine protection"
Once too tightly tied to the aging musical clan featuring Donny and Marie, Osmond may now be able to escape that association and join the cooler group of Os and Oz names, which include Osgood, Ozias,…
"from the oak valley"
Rarely used surname, associated with humorous poet Ogden Nash.
Welsh variation of Oisin, Irish
"little deer"
Osian is the easier-to-comprehend version of the ancient Irish Oisin, an important name in mythology. Osian or Oisin was a warrior poet. Osian is popular in modern Wales and England. While Oisin is…
Diminutive of Orlando, Italian form of Roland, German
"famous throughout the land"
Orlando is such a romantically attractive name, why stunt it with this relatively flat-footed short form?
Welsh variation of Eugene or Celtic "well-born; born of sheep"
"well-born; born of sheep"
Owain is much more unusual than its brother name Owen, and feels a little more rugged, a little more adventurous and ancient. Possibly an Old Welsh form of the Latin Eugenius, or, deriving from other…
"divine bear; divine warrior"
A surname style choice that could get you nicknames Bear and Ozzy, which is pretty cool. It comes from the Old English variant of the Old Norse Ásbjǫrn, which was introduced to England after the…
Irish
"little pale green one"
Odhran, Anglicized as Oran, was the name of an ancient saint. Today, Odhran is among the Top 100 Irish names for boys in Ireland.
Italian, “eighth”
Spirited Italian form of Octavius
English place-name
"from the oxen crossing"
High-collared and straightlaced, with the deadly "Ox" nickname.
African Portuguese, Spanish, Greek
"help"
Most notably used in Mozambique and Mexico, this rare, masculine form of Ofelia could work as a rare alternative to Celio, Felix, Orlando, and Emilio. Yet to rank in the US stats, an alterative…
Mythological name
"ocean"
Oceanus was the Titan in ancient Greek mythology who rules what they thought was the body of water that surrounded the Earth. Oceanus was, appropriately enough, the name of the baby born on the…
California place name
This name of an attractive and arty California town could make an unusual but friendly choice.
"Andrǣd's hill"
A rare surname name that could follow in the footsteps of Harlow, Marlow, and Winslow, Onslow comes from the Old English name Andrǣd , which likely relates to Andrew and Anders. In turn, this could…
Place-name
This geographical name with Iroquois roots has a lot going for it: a strong sound, a vigorous o ending, and -- a quality prized today -- rarity.
Hebrew
"raven"
Idiosyncratic Hebrew choice.