Last names that start with O are special. They come from many cultures around the world. These surnames carry deep history and family roots. If you want to explore your family tree, O last names are a great start.
Some are common. Some are very rare. You can find these names in Europe, Africa, and Asia. Every name has its own story. They show who we are and where we come from. Start exploring and find the perfect O last name today.
Last Names That Start With O

Last names that start with O are found across many cultures and countries. These unique surnames carry rich meanings and deep historical roots from around the world.
| Last Name | Meaning | Origin |
|---|---|---|
| O’Brien | Descendant of Brian | Irish |
| Okafor | Father is wealthy | African (Igbo) |
| Oliveira | Olive tree | Portuguese |
| Ortega | Nettle plant | Spanish |
| Okonkwo | Man of war | African (Igbo) |
| Okoro | Kingdom | African (Igbo) |
| Ozaki | Small cape | Japanese |
| Oduya | Wealth has come | African (Yoruba) |
| Owens | Young warrior | Welsh |
| Osei | Noble and honorable | African (Akan) |
| Obara | Great field | Japanese |
| Orlov | Eagle | Russian |
| Ostrowski | Sharp or pointed | Polish |
| Odinga | Strong and powerful | African (Luo) |
| Oleary | Descendant of the keeper | Irish |
| Ozturk | Pure Turk | Turkish |
| Ochoa | Wolf | Spanish (Basque) |
| Ogawa | Small river | Japanese |
| Obinna | Father is great | African (Igbo) |
| Onyekachi | Who is greater than God | African (Igbo) |
| Osborne | Divine bear warrior | English |
| Otieno | Born at night | African (Luo) |
| Oates | Son of Ode | English |
| Oshiro | Large castle | Japanese |
| Olawale | Wealth has come home | African (Yoruba) |
| Overbeck | Over the stream | German |
| Ostergaard | Eastern farm | Danish |
| Ogundele | God of iron has returned | African (Yoruba) |
| Okubo | Large valley | Japanese |
| Ozoemena | May it not happen again | African (Igbo) |
Looking for more unique surnames? Explore our full collection of surnames beginning with N that carry deep meanings and rich history.
Mexican Last Names That Start With O
Mexican last names that start with O carry a rich blend of Spanish and indigenous heritage. These unique surnames reflect the deep cultural roots and vibrant history of Mexico.
| Last Name | Meaning | Origin |
|---|---|---|
| Ochoa | Wolf | Spanish (Basque) |
| Ortega | Nettle plant | Spanish |
| Orozco | Place of brambles | Spanish |
| Obregon | Bishop | Spanish |
| Ornelas | Place of ash trees | Spanish |
| Olivas | Olive tree | Spanish |
| Ontiveros | From the river bank | Spanish |
| Olvera | Olive grove | Spanish |
| Ovalle | From the valley | Spanish |
| Ojeda | From the oak grove | Spanish |
| Osorio | Bear keeper | Spanish |
| Ocampo | From the field | Spanish |
| Olea | Olive tree | Spanish |
| Olmedo | Elm tree grove | Spanish |
| Ordaz | Bold and strong | Spanish |
| Oviedo | From Oviedo city | Spanish |
| Olmos | Elm trees | Spanish |
| Oros | Gold | Spanish |
| Ozuna | From the bear clan | Spanish |
| Olguin | From the noble lineage | Spanish |
| Orendain | From the high land | Spanish (Basque) |
| Ocegueda | Place near the river | Spanish |
| Orrante | Wandering soul | Spanish |
| Ocaranza | Near the river stream | Spanish |
| Onate | From Onati town | Spanish (Basque) |
| Osuna | From Osuna city | Spanish |
| Olivares | Olive tree grove | Spanish |
| Oaxaca | Place of the gourds | Indigenous (Nahuatl) |
| Ometochtzin | Two rabbits | Indigenous (Nahuatl) |
| Oxitl | Resin or pitch | Indigenous (Nahuatl) |
Looking for more unique surnames from other letters? Explore our full collection of popular family names beginning with M and find the perfect one for you.
Hispanic Last Names That Start With O

Hispanic last names that start with O reflect a beautiful mix of Spanish and indigenous cultures. These unique surnames carry strong historical roots across Latin America and Spain.
| Last Name | Meaning | Origin |
|---|---|---|
| Ochoa | Wolf | Spanish (Basque) |
| Ortega | Nettle plant | Spanish |
| Orozco | Place of brambles | Spanish |
| Obregon | Bishop | Spanish |
| Ornelas | Place of ash trees | Spanish |
| Olivas | Olive tree | Spanish |
| Ontiveros | From the river bank | Spanish |
| Olvera | Olive grove | Spanish |
| Ovalle | From the valley | Spanish |
| Ojeda | From the oak grove | Spanish |
| Osorio | Bear keeper | Spanish |
| Ocampo | From the field | Spanish |
| Olea | Olive tree | Spanish |
| Olmedo | Elm tree grove | Spanish |
| Ordaz | Bold and strong | Spanish |
| Oviedo | From Oviedo city | Spanish |
| Olmos | Elm trees | Spanish |
| Oros | Gold | Spanish |
| Ozuna | From the bear clan | Spanish |
| Olguin | From the noble lineage | Spanish |
| Orendain | From the high land | Spanish (Basque) |
| Ocegueda | Place near the river | Spanish |
| Osuna | From Osuna city | Spanish |
| Olivares | Olive tree grove | Spanish |
| Onate | From Onati town | Spanish (Basque) |
| Ocaranza | Near the river stream | Spanish |
| Ordonez | Son of Ordono | Spanish |
| Otero | High ground or hill | Spanish |
| Obaldia | From the noble valley | Spanish |
| Oyarzun | Place of many oaks | Spanish (Basque) |
Looking for more unique surnames from the alphabet? Explore our full collection of family names beginning with L that carry rich meanings and deep cultural roots.
African Last Names That Start With O
African last names that start with O reflect the rich diversity of tribes and cultures across the continent. These unique surnames carry deep spiritual meanings and strong ancestral roots.
| Last Name | Meaning | Origin |
|---|---|---|
| Okafor | Father is wealthy | Igbo (Nigeria) |
| Okonkwo | Man of war | Igbo (Nigeria) |
| Okoro | Kingdom | Igbo (Nigeria) |
| Obinna | Father is great | Igbo (Nigeria) |
| Onyekachi | Who is greater than God | Igbo (Nigeria) |
| Oduya | Wealth has come | Yoruba (Nigeria) |
| Osei | Noble and honorable | Akan (Ghana) |
| Odinga | Strong and powerful | Luo (Kenya) |
| Otieno | Born at night | Luo (Kenya) |
| Ogundele | God of iron has returned | Yoruba (Nigeria) |
| Olawale | Wealth has come home | Yoruba (Nigeria) |
| Owusu | Strong and powerful | Akan (Ghana) |
| Oyelaran | Honor walks with royalty | Yoruba (Nigeria) |
| Onyema | Good life | Igbo (Nigeria) |
| Obasi | In honor of God | Igbo (Nigeria) |
| Okeke | Born on market day | Igbo (Nigeria) |
| Osagie | God agrees | Edo (Nigeria) |
| Omondi | Born in the morning | Luo (Kenya) |
| Ouedraogo | Fierce bull | Mossi (Burkina Faso) |
| Odhiambo | Born in the evening | Luo (Kenya) |
| Onyango | Born during harvest | Luo (Kenya) |
| Okwu | Voice or speech | Igbo (Nigeria) |
| Oluwaseun | God has done this | Yoruba (Nigeria) |
| Ofoegbu | Wealth does not fight | Igbo (Nigeria) |
| Onyeaka | Who knows what is good | Igbo (Nigeria) |
| Opoku | Royal and noble | Akan (Ghana) |
| Osei-Bonsu | Noble elephant | Akan (Ghana) |
| Otabil | Strong foundation | Akan (Ghana) |
| Onyekwere | Who knows the future | Igbo (Nigeria) |
| Ozigbo | Great wealth | Igbo (Nigeria) |
Looking for more unique surnames from the alphabet? Explore our full collection of family names beginning with K and discover their meanings and origins.
English Last Names That Start With O

English last names that start with O have a long and proud history rooted in medieval England. These unique surnames reflect occupations, locations, and family lineages passed down through generations.
| Last Name | Meaning | Origin |
|---|---|---|
| Owen | Young warrior | Old Welsh/English |
| Osborne | Divine bear warrior | Old English |
| Oates | Son of Ode | Old English |
| Oldham | Old village | Old English |
| Orton | Settlement on the shore | Old English |
| Oakley | Oak wood clearing | Old English |
| Oswald | Divine power | Old English |
| Odell | From the valley | Old English |
| Osmond | Divine protector | Old English |
| Oxley | Ox meadow | Old English |
| Outlaw | One outside the law | Old English |
| Overhill | One who lives over the hill | Old English |
| Orchard | One who tends an orchard | Old English |
| Orme | Serpent or dragon | Old Norse/English |
| Ogden | From the oak valley | Old English |
| Oldfield | One from the old field | Old English |
| Orrell | From the ore hill | Old English |
| Osgood | Divine goodness | Old English |
| Ottley | From Otta’s meadow | Old English |
| Oxenham | Ox enclosure home | Old English |
| Ormerod | Orm’s clearing | Old English |
| Onslow | One’s hill or mound | Old English |
| Openshaw | Open woodland area | Old English |
| Osbaldeston | Osbald’s settlement | Old English |
| Otterburn | Otter stream | Old English |
| Overbury | Upper fortified place | Old English |
| Oswaldtwistle | Oswald’s river fork | Old English |
| Outram | Wealthy raven | Old English |
| Olliver | Olive tree descendant | Old English |
| Ockenden | From the oak valley | Old English |
Looking for more unique surnames from the alphabet? Explore our full collection of powerful surnames beginning with J that carry deep meaning and rich history.
Famous Last Names That Start With O
Famous last names that start with O belong to some of the most iconic people in history. These legendary surnames are known across sports, politics, science, and entertainment worldwide.
| Last Name | Famous Person | Field |
|---|---|---|
| Obama | Barack Obama | Politics |
| Oprah | Oprah Winfrey | Entertainment |
| Owens | Jesse Owens | Sports |
| Osbourne | Ozzy Osbourne | Music |
| Olivier | Laurence Olivier | Acting |
| Orwell | George Orwell | Literature |
| O’Neal | Shaquille O’Neal | Sports |
| O’Brien | Conan O’Brien | Entertainment |
| Ocasio | Alexandria Ocasio-Cortez | Politics |
| Okafor | Emeka Okafor | Sports |
| Ozil | Mesut Ozil | Sports |
| Okonjo | Ngozi Okonjo-Iweala | Economics |
| Ohm | Georg Simon Ohm | Science |
| Okri | Ben Okri | Literature |
| Oduya | Johnny Oduya | Sports |
| Offenbach | Jacques Offenbach | Music |
| Ono | Yoko Ono | Music/Art |
| Ochoa | Lorena Ochoa | Sports |
| Orozco | Jose Clemente Orozco | Art |
| Ortega | Daniel Ortega | Politics |
| O’Keeffe | Georgia O’Keeffe | Art |
| Ozawa | Seiji Ozawa | Music |
| Obasanjo | Olusegun Obasanjo | Politics |
| Ohga | Norio Ohga | Business |
| Oldman | Gary Oldman | Acting |
| O’Connor | Sinead O’Connor | Music |
| Oates | Joyce Carol Oates | Literature |
| Ostwald | Wilhelm Ostwald | Science |
| Ogata | Sadako Ogata | Humanitarian |
| Ovechkin | Alexander Ovechkin | Sports |
Conclusion
Last names that start with O are diverse and unique. They come from English, African, Hispanic, and Mexican roots. Each name has a deep meaning and strong family history.
Looking for a rare name or a common one? O last names never disappoint. They show identity, heritage, and the beauty of human history.
FAQs
What are the most common last names that start with O?
Owen, Ortega, Ochoa, Osborne, and O’Brien are the most common ones.
What culture has the most last names starting with O?
African and Spanish cultures have the most last names starting with O.
Are O last names rare?
Some are common. But many are rare. African and indigenous O last names are the most unique.
What is the most famous last name starting with O?
Obama is the most famous last name that starts with O.
Do O last names have deep meanings?
Yes. Most carry meanings tied to nature, strength, wealth, and family roots.

