Dog Names That Start With O

Down-home nickname name once associated with the friendly dragon on kids' TV. As Oliver rises, we may well hear more Ollies.

Onyx is a fresh and trending gemstone name for boys, currently in the US Top 500, having climbed the charts rapidly since 2018. Now, an increasing number of girls are receiving the name, with a recent count revealing nearly 200 baby girls were called Onyx in 2023.

Strongly linked in the US to the complex "Star Wars" character, Obi Wan Kenobi, but also popular in Nigeria as a short form of names containing the element Obi "heart".

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

Curiously appealing, in a hoop-skirted, wasp-waisted way, Ottoline has recently entered the realm of modern possibility, especially since Sienna Miller chose it as the middle name of her daughter Marlowe.

What is so rare as a month named June? October – and November and December – are a lot rarer. Brisk and substantial, they're so much more memorable and modern than April or May. October got its name via being the eighth month in the old Roman calendar. Some related, more feminine variations are Octavia and Ottavia.

Ozzy has been on the rise in recent years and currently sits in the Top 1000 in the UK and the US. The Ozzie spelling has yet to catch up, but has nevertheless gained more attention thanks to its popular counterpart. Given to 135 boys and to 50 girls in 2023, for every one Ozzie there are three Ozzys.

Ocean is a nature name that comes right out and states its meaning and association. Full of power and depth, Ocean is one of the fastest-rising baby names for both girls and boys, making the US Top 1000 for both genders in 2021. Oceane, the version that's trendy in France, was used for only 11 baby girls in the US in the same year. Ocean-lovers who want to be less obvious can choose such subtler names that mean ocean as Jennifer or Marissa, but coming right out and using Ocean is a perfectly valid way to go.

Omar has a perfect mix of unusuality and familiarity, with the added plus of a strong, open initial O. Commonly used among Muslim families, Omar was long associated with twelfth-century Persian poet Omar Khayyam, though it sounds anything but ancient now.

More recent well-known bearers have been World War II General Omar Bradley and actors Omar Sharif(born Michael) and Omar Epps.

Despite the success of so many O-starting boys names--Oliver, Owen, Otis, Oscar--Oswald has not yet shown any signs of resurrection, though he does have the animating nicknames Ozzie/Ozzy and Oz. The name has some literary cred--in Chaucer's Canterbury Tales, Shakespeare's King Lear and a novel by H. G.Wells--and there was early cartoon character Oswald the Lucky Rabbit.

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.

Ancient name, near obsolete now, but could make a good alternative to Owen for the adventurous baby namer.

Odette's evil Swan Lake twin -- gives the name a sinuous, sensuous appeal.

Ollie is used less often as a nickname for the mega-popular Olivia or the stylish Olive than Ellie is for Eleanor or Allie for Allison. That may be because Ollie has a much longer use as a nickname for boys.

Cute, nickname-y, and international, à la Romy or Demi. Spelling it Orly turns it into a busy French airport.

Feminine form of Ophir, a Biblical place name famed for its riches.

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, and even Oswald.

Clad in armor. But while this name may have been forbiddingly antiquated not that long ago, the connection to the trendy nickname Os or Oz makes it a real possibility.

Shakespeare's moor has exclusive ownership of this name.

Biblical place name and masculine given name in the Old Testament.