100 Cool Dog Names That Start With O
Finding the ideal name for your new pup is one of the most exciting experiences of bringing one into your life.
If you like the feel of names that are fresh, cheerful, and have personality, names that start with O are a great category to explore.
In English, the letter O has a welcoming, opened up sound that lends itself to names that feel friendly and easy to yell—perfect to call all pups, barking or not.
Whatever you are hoping to accomplish, there’s a name chapter for a bold and fearless name, a calm and meaningful name, or any unique name, names that start with O are charming in their own way.
Jump in and explore the possibilities of names starting with O that can be a perfect reflection of your paw-some dog’s personality and/or aesthetic.
50 male dog names
Oberon – A regal name symbolizing a noble and powerful leader associated with fairy kings.
Obsidian – Inspired by the volcanic glass, representing strength, mystery, and resilience.
Oceanus – Drawn from ancient mythology, evoking vastness, depth, and calm authority.
Octavius – A classic name meaning one of high rank, dignity, and historic significance.
Odyssey – Reflects a long, adventurous journey filled with growth and discovery.
Odin – Named after the Norse god of wisdom and power, representing intelligence and might.
Olaf – A traditional name conveying warmth, loyalty, and a protective spirit.
Olympus – Inspired by the home of the gods, symbolizing greatness and commanding presence.
Ozone – A fresh, modern name linked to energy, clarity, and a vibrant personality.
Oakley – Rooted in nature, meaning strength and dependability like a sturdy oak tree.
Oriel – Meaning “golden,” symbolizing brightness, charm, and a warm heart.
Orion – Named after the mighty hunter constellation, representing bravery and heroism.
Oswin – Signifies a divine friend, reflecting kindness and gentle loyalty.
Osiris – Inspired by the Egyptian god of renewal, symbolizing rebirth and protection.
Othello – A dramatic name signaling depth, emotion, and strong character.
Otto – A timeless choice meaning prosperity, abundance, and steadfastness.
Oren – Means “pine tree,” symbolizing endurance, peace, and natural stability.
Orpheus – Linked to the legendary musician, symbolizing creativity and soulful charm.
Odinson – Denotes the son of Odin, representing strength, valor, and power.
Orfeo – A poetic name symbolizing musical grace and emotional depth.
Olander – Suggests strength and nobility, inspired by hardy oleander plants.
Onyx – Represents a sleek, strong gemstone symbolizing protection and confidence.
Osmond – Means divine protection, reflecting a loyal and steadfast guardian.
Orvin – A unique name symbolizing bravery and a gentle warrior spirit.
Olander – Evokes sturdiness and a resilient, bold character.
Oxley – Meaning ox meadow, symbolizing hard work, reliability, and grounded nature.
Orrin – Means pale or fair, representing purity and calm demeanor.
Oban – Inspired by the coastal town, symbolizing peaceful strength and warmth.
Orielis – A rare name meaning golden light, symbolizing radiance and hope.
Olivar – Evokes the olive tree, symbolizing peace, wisdom, and harmony.
Oaklen – A modern variation linked to stability, nature, and solid character.
Olanderic – A noble-sounding name representing endurance and quiet power.
Ormand – Means spear protector, symbolizing courage and loyalty.
Osric – A historic name meaning divine ruler, symbolizing leadership and confidence.
Othran – A bold, unique name representing strength and mystery.
Oberic – Evokes royalty and leadership, tied to noble heritage.
Ostallon – A fantasy-style name symbolizing resilience and quiet determination.
Orianthus – A grand name representing cosmic energy, grace, and brilliance.
Orlow – Means golden, symbolizing brightness and a warm personality.
Oswell – Means divine power, symbolizing inner strength and loyalty.
Ostwin – Means friend of the east, symbolizing new beginnings and hope.
Othelric – A powerful, ancient-sounding name linked to leadership and wisdom.
Odran – Means little pale one, symbolizing calmness and gentle spirit.
Ovid – Inspired by the Roman poet, symbolizing creativity and elegance.
Olanderon – Mythic-sounding name symbolizing endurance and bold presence.
Oscaro – A refined form of Oscar, symbolizing divine strength and bravery.
Orvall – A rare name meaning golden town, symbolizing warmth and loyalty.
Orrick – Means oak ruler, symbolizing steadiness, leadership, and strength.
Osmin – Means protector, symbolizing loyalty and steadfast devotion.
Ovan – A modern choice symbolizing uniqueness, confidence, and charm.
50 female dog names
Odessa – A graceful name symbolizing long journeys, beauty, and depth of character.
Oceana – Evokes the vast sea, representing serenity, freedom, and flowing strength.
Ophelia – A poetic name symbolizing gentleness, emotion, and a soulful nature.
Oriana – Means golden dawn, representing new beginnings, warmth, and radiance.
Olympia – Inspired by the mountain of gods, symbolizing power, elegance, and grandeur.
Ondine – Refers to a water spirit, symbolizing fluid grace, mystery, and calm beauty.
Odette – A classic name symbolizing purity, charm, and delicate strength.
Opal – Inspired by the gemstone, representing creativity, hope, and soft brilliance.
Olinda – Means protector, symbolizing kindness, love, and a nurturing spirit.
Olivienne – A refined form linked to peace, harmony, and gentle wisdom.
Odalia – Means wealth or fortune, symbolizing abundance and positivity.
Olette – A sweet name symbolizing small yet bright presence and quiet charm.
Odelia – Means praise or song, representing joy, expression, and lighthearted spirit.
Orla – Means golden princess, symbolizing warmth, regality, and affection.
Orianae – A rare name symbolizing radiant beginnings and hopeful energy.
Oceara – A modern ocean-inspired name symbolizing depth, calm, and intuition.
Orchid – Named after the exotic flower, symbolizing beauty, elegance, and resilience.
Orella – Means golden or precious, representing a bright and cherished companion.
Olivette – A gentle variant symbolizing peace, softness, and harmony.
Odina – Means mountain, symbolizing grounded strength and natural presence.
Orabelle – Means beautiful altar, symbolizing grace, devotion, and loving spirit.
Orya – A short, unique name symbolizing light, clarity, and gentle energy.
Oksana – A Slavic name symbolizing praise, hope, and vibrant personality.
Orelia – Means golden one, representing brilliance, kindness, and warmth.
Ovidia – A lyrical name symbolizing creativity, softness, and poetic charm.
Olicia – A fresh twist on Olivia, symbolizing peace, intuition, and calm nature.
Oryssa – A modern, airy name symbolizing elegance, independence, and grace.
Olettea – A rare floral-like name symbolizing charm, uniqueness, and soft beauty.
Olivara – Inspired by the olive tree, symbolizing wisdom, peace, and balance.
Omera – Means long-lived or blessed, symbolizing strength and cherished presence.
Olivira – A melodic name symbolizing harmony, patience, and nurturing spirit.
Orinthia – A mythic name symbolizing movement, vitality, and bright energy.
Ophira – Means gold, symbolizing brilliance, richness, and glowing personality.
Orania – Evokes celestial charm, symbolizing starlight, magic, and gentle wonder.
Ozelia – A soft name symbolizing devotion, hope, and luminous sweetness.
Orellaine – A delicate, golden name symbolizing warmth, light, and affection.
Orianaor – A fantasy-style name symbolizing new dawn and spirited grace.
Olivarae – A glowing variant symbolizing peace, abundance, and serenity.
Odessia – A dramatic, soulful name symbolizing depth, resilience, and beauty.
Orellaena – A flowing name symbolizing nurturing warmth and inner glow.
Olyssia – A refined, airy name symbolizing independence, clarity, and calm.
Ovidiaa – A dreamy variation symbolizing creativity and gentle presence.
Orlissa – A charming name symbolizing sweetness, elegance, and loyalty.
Oceanita – A playful ocean-inspired name symbolizing calm, emotion, and freedom.
Oravelle – A unique name symbolizing golden charm, harmony, and affection.
Othalia – Means fortunate or blessed, symbolizing joy and loving companionship.
Olenna – A graceful name symbolizing wisdom, dignity, and strong presence.
Ozerina – A rare name symbolizing calm waters, intuition, and soothing energy.
Orayla – Means divine light, symbolizing radiance, peace, and gentle brilliance.
