Pugs are charming, compact companions with outsized personalities—and they deserve names that match their quirky character. Names starting with O offer a sweet spot between classic and distinctive, giving your pug an identity that feels both familiar and memorable. Whether you're drawn to traditional names like Oliver or playful options like Oreo, O-names work beautifully for pugs of any gender. These names tend to feel warm and approachable, mirroring the affectionate nature pugs are known for. If you're searching for something that stands out in the dog park without being too unconventional, this list covers 50 real, usable O-names actually given to pugs.
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OliverVery popularFrom the olive tree; a classic, timeless name with gentle sophistication.
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OreoVery popularAfter the cookie; playful, fun, and perfect for black-and-white or dark-colored pugs.
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OscarVery popularGod spear; a strong, confident name with cinematic charm.
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OttoPopularWealthy, prosperous; a vintage Germanic name with retro coolness.
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OliveVery popularThe olive tree; peaceful and gentle, works well for both genders.
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OzzyPopularGod is my strength; edgy, rock-and-roll vibe with personality.
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OllieVery popularOlive tree or noble; friendly, approachable, and charming.
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OtisPopularWealthy; vintage Americana feel with warmth and character.
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OpheliaUncommonHelp, aid; literary and elegant, perfect for sophisticated female pugs.
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OnyxPopularBlack gemstone; sleek and mysterious, ideal for dark-colored pugs.
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OpalPopularGemstone with iridescent beauty; precious and refined.
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OrsonUncommonBear cub; strong, literary name with artistic flair.
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OswaldRareDivine power; classic, old-fashioned charm with gravitas.
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OdysseusRareWrathful; epic, heroic name from Greek mythology.
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OlgaUncommonHoly, blessed; Russian origin with strong, regal presence.
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OrlandoUncommonFamous throughout the land; romantic, continental flair.
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OutfitRareA humorous non-traditional name; playful pun on pug as fashion accessory.
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OmenUncommonA sign or portent; mysterious and modern.
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OdinPopularNorse god of wisdom and war; powerful, mythological.
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OxleyRareFrom the ox clearing; rustic, pastoral charm.
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OakleyPopularFrom the oak field; nature-inspired, sturdy.
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OdetteUncommonWealthy; feminine, elegant, with Swan Lake associations.
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Olive-etteRareDiminutive of Olive; playful twist on a classic.
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OberonRareNoble, bright; fairy king from A Midsummer Night's Dream.
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OphirRareGold; biblical, precious and rare.
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OatRareA grain; simple, wholesome, and earthy.
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OrianaUncommonGolden, dawning; feminine, lyrical.
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OrcaUncommonKiller whale; powerful, striking, playful.
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OrbitRareCircular path; modern, cosmic, energetic.
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ObiUncommonJapanese sash; Asian-inspired, minimalist.
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OboeRareMusical instrument; artistic, melodic.
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OctaveRareEight; musical or mathematical elegance.
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OdeRareA type of poem; literary, heartfelt.
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OdeonRareConcert hall; artistic, classical.
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OrmondRareFrom the gold mountain; Scottish origin, stately.
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OrmeRareA dragon or serpent; mythological.
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OsmiumRareA hard metal element; strong, scientific.
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OteroRareFrom the riverbank; Spanish origin, natural.
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OtterUncommonThe aquatic mammal; playful, water-loving.
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OuzoRareGreek anise liqueur; spirited and Mediterranean.
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OvalRareEgg-shaped; simple, geometric modernism.
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OvaryRarePlant reproductive part; botanical, scientific.
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OwensUncommonYoung warrior; surname-style, strong.
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OwlUncommonNocturnal bird; wise, alert, observant.
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OxfordUncommonFord of oxen; British, academic prestige.
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OxbowRareCurved bend in a river; nature-inspired, scenic.
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OysterUncommonShellfish; coastal, rugged charm.
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OzPopularShortened form of Oscar, Oswald, Ozzy; magical, whimsical.
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OzziePopularFun variant of Oswald or Oscar; playful.