Appendix:Surnames/O

Oaa-Oaz

 * Oak
 * Oake
 * Oakley
 * Oaïssa
 * Oakes
 * Oakley
 * Oaks
 * Oar
 * Oates

Oba-Obz

 * Obaidullah
 * Obama
 * Obame
 * Oban
 * Obasanjo
 * Obbema
 * Obbens
 * Obbink
 * Obdam
 * Obdeijn
 * Obe
 * Obel
 * Obèr
 * Oberg
 * Oberink
 * Oberon
 * Obers
 * Obi
 * Obias
 * Obieze
 * Oblak
 * Obilic
 * Obispo
 * Oblak
 * Oblomov
 * Obondo
 * Obonya
 * Oborne
 * Obote
 * Obradovic
 * O'Brady
 * Obrecht
 * Obrechts
 * O'Brian
 * Ó'Briain
 * O'Bric
 * O'Brien
 * Obst
 * Oburn
 * O'Byrne

Oca-Ocz

 * Öcal
 * Öcalan
 * O'Callaghan
 * Ocampo
 * Occeli
 * Och
 * Ochoa
 * Ochsenknecht
 * Ockels
 * Ockersen
 * Oclassen
 * Ockeghem
 * Ockel
 * Ockels
 * Ockerse
 * Oconnell
 * O'Connel
 * O'Connell
 * O'Connelly
 * O'Conner
 * Oconnor
 * O'Connor
 * Octavius
 * October

Oda-Odz

 * O'Daddy
 * Oday
 * O'Day
 * Oddsson
 * Odé
 * O'Dea
 * Odell
 * O'Dell
 * Odelman
 * Odem
 * Oden
 * Odet
 * Odette
 * Ödfalk
 * Odgers
 * O'Dhaimin
 * Odifreddi
 * Odijk
 * Oding
 * Odinga
 * Odink
 * Odinot
 * Ódinsdóttir
 * Óðinsdóttir
 * Odion
 * Oditz
 * Odo
 * O'Doherty
 * Odom
 * O'Donell
 * O'Donnel
 * Odonnell
 * O'Donnell
 * O'Donohue
 * O'Donoghue
 * O'Donovan
 * O'Dorchaidhe
 * O'Dorney
 * O'Dougherty
 * O'Dowd
 * O'Driscoll
 * Oduber
 * Ó Dubhshláine
 * Odum
 * Odumodu
 * O'Dwyer

Oea-Oez

 * Oeben
 * Oeberius
 * Oedzes
 * Oegema
 * Oehders
 * Oehlenschlager
 * Oehler
 * Oehlerking
 * Oehme
 * Oehninger
 * Oei
 * Oelanova
 * Oelderink
 * Oelderik
 * Oele
 * Oelen
 * Oelimer
 * Oelker
 * Oelofse
 * Oelrich
 * Oemarbekov
 * Oemar Said
 * Oenema
 * Oenen
 * Oentsjerk
 * Oepkes
 * Oepts
 * Oerlemans
 * Oeslati
 * Oest
 * Oetgens
 * Oetker
 * Oevering
 * Oey
 * Oeyen
 * Oezen

Ofa-Ofz

 * Ofanogoro
 * O'Farrel
 * O'Farrell
 * O'Farril
 * Ofenheimer
 * Ofer
 * O'Flanagan
 * Off
 * Offeringa
 * Offermanns
 * Offermans
 * Offers
 * Offley
 * Offrieins
 * Offringa
 * O'Flanagan
 * O'Foherty
 * Ofringa

Oga-Ogz

 * Ogah
 * Ogan
 * Oganessian
 * Ogata
 * Ogbewe
 * Ogden
 * Oger
 * Ogier
 * Ogilvie
 * Ogilvy
 * Ogjanovic
 * Oglesby
 * O'Glover
 * Ognibene
 * O'Gordon
 * O'Gorman
 * O'Grady
 * Ogura
 * Oğuz

Oha-Ohz

 * Oh
 * Ohad
 * O'Halloran
 * O'Hana
 * O'Hanlon
 * Ohanneson
 * O'Hanrahan
 * O'Hara
 * O'Hare
 * O'Harris
 * Ohasi
 * O'Heridy
 * O'Herlihy
 * O'Higgins
 * O'Henry
 * O'Here
 * O'Herne
 * Ohlander
 * Ohlmann
 * Ohlsen
 * Ohlsson
 * Ohnishi
 * Ohm
 * Ohmann
 * Ohorella
 * O'Horgan
 * Ohta

Oia-Oiz

 * Oi
 * Oikawa
 * Oikonomou
 * Oishi
 * Ojeda
 * Ojers
 * Ojja
 * O'Jones

Oka-Okz

 * Ok
 * Okachi
 * Okada
 * Ökan
 * Okatan
 * Okay
 * Okci
 * Okechukwu
 * O'Keefe
 * O'Keeffe
 * O'Keith
 * Okello
 * O'Kelly
 * Oki
 * Okimoto
 * Okita
 * Okite
 * Okken
 * Okker
 * Okkersen
 * Okonedo
 * Okonjo
 * Okonkwo
 * Okoroafor
 * Okras
 * Oksa
 * Oktar
 * Öktem
 * Oku
 * Okubu
 * Okuyucu
 * Öküzcüoglu

Ola-Olz

 * Ol
 * O'Lare
 * O'Laughlan
 * O'Leary
 * O'Link
 * Olafssen
 * Olafsson
 * Ólafsson
 * Olah
 * Oland
 * Olander
 * Olausson
 * Olav
 * Olbers
 * Olbertz
 * Olbracht
 * Olcay
 * Olcott
 * Olczyk
 * Oldebeuving
 * Oldegbers
 * Olde Husink
 * Olden
 * Oldenbeuving
 * Oldenburger
 * Olders
 * Oldersma
 * Oldigs
 * Olding
 * Oleak
 * Olearnik
 * O'Leary
 * Oleksyk
 * Olen
 * Olén
 * Ølen
 * Olesen
 * Olewinski
 * Olf
 * Olfers
 * Olff
 * Ølgaard
 * Olgers
 * Olgun
 * Olham
 * Olić
 * Olijve
 * Oling
 * Olink
 * Oliphant
 * Oliva
 * Olivant
 * Olivares
 * Olive
 * Oliveira
 * Oliveiras
 * Oliveiro
 * Oliver
 * Oliverio
 * Oliveros
 * Olivetti
 * Olivia
 * Olivier
 * Olivijn
 * Olivjeras
 * Olkhovatov
 * Ollevier
 * O'Looney
 * Ollosi
 * Olvieri
 * Olman
 * Olmer
 * Olmert
 * Olmez
 * Olmo
 * Olmos
 * Olmstead
 * Olmsted
 * Olof
 * Olofsen
 * Olofsson
 * O'Loingsigh
 * O'Loughlin
 * Olsen
 * Olsker
 * Olsman
 * Olson
 * Olssen
 * Olsson
 * Olszowski
 * Olthoff
 * Oltman
 * Oltmans
 * Olufsen
 * Olusegun

Oma-Omz

 * Oma
 * [[Ó Mac Mbirikán]
 * O'Mahoney
 * O'Mahony
 * O'Malley
 * O'Mallie
 * Oman
 * Omar
 * 'Omar
 * O'Mara
 * O'Marra
 * Ómarsdottir
 * Omarzad
 * Omat
 * O'Meara
 * O'Mearas
 * Omer
 * Omerovic
 * Omet
 * O'Móran
 * Omoshebi
 * Omta

Ona-Onz

 * O'Nan
 * Onasis
 * Onassi f
 * Onassis m
 * Onda
 * Ondaatje
 * Ondereyck
 * Ondrasik
 * Onegin
 * Oneida
 * O'Neill
 * Oner
 * Onfray
 * Ong
 * Ongering
 * Onkelinx
 * O'Neal
 * O'Neil
 * O'Neill
 * Onetti
 * Ongulesi
 * Onink
 * Onkelinx
 * Önlü
 * Gr. Onnebrink
 * Onnebrink
 * Onneken
 * Onnekes
 * Onnes
 * Onneweer
 * Onnink
 * Ong
 * Ongers
 * Ono
 * Onofrio
 * Oñorbe
 * Onslow
 * Onsoz
 * Onta
 * Ontario
 * Onur
 * Onwuka
 * Onyeowa
 * Onyszko

Ooa-Ooz

 * Oogjes
 * Oogle
 * Ooij
 * Ooijer
 * Ook
 * Oolders
 * Oole
 * Oom
 * Oomen
 * Oomens
 * Oomes
 * Oomkens
 * Oomkes
 * Ooms
 * Oonk
 * Oor
 * Oord
 * Oortman
 * Oortwijn
 * Oost
 * Oostenbrug
 * Oostenk
 * Oosterlinck
 * Oosterman
 * Oostermann
 * Oosterom
 * Oosters
 * Oosterveer
 * Oostijen
 * Oostindie
 * Oosting
 * Oostinga
 * Oostingh
 * Oostland
 * Oostra
 * Oostrom
 * Oostveen
 * Ootes

Opa-Opz

 * Opacic
 * Opalka
 * Opazo
 * Ophelia
 * Opitz
 * Opladen
 * Opland
 * Oplev
 * Opmeer
 * Oppa
 * Oppen
 * Oppenheim
 * Oppenheimer
 * Opperman
 * Oppo
 * [[Oppong]
 * Oprandi
 * Oprea
 * Oprinsen
 * Op ten Berg

Ora-Orz

 * Ora
 * Oréal
 * O'Reilly
 * Oraiopoulos m
 * Oraiopoulou f
 * Orak
 * Oral
 * Oralia
 * Oranje
 * Orban
 * Orbán
 * Orbesteanu
 * Orbison
 * Orbon
 * Orbons
 * Orchard
 * Ord
 * Ordano
 * Ordaz
 * Ordeman
 * Ordóñez
 * Oredsson
 * Orelano
 * O'Regan
 * O'Reilly
 * O'Reily
 * Orellana
 * Orencia
 * Orent
 * Oreopoulos m
 * Oreopoulou f
 * Orestani
 * Oretha
 * Orfanaki f
 * Orfanakis m
 * Orfanidi f
 * Orfanidis m
 * Orfanopoulos m
 * Orfanopoulou f
 * Orfanos m
 * Orfanou f
 * Orff
 * Orga
 * Organs
 * Orgodol
 * Orhan
 * Orhen
 * Ori
 * Oriah
 * O'Richards
 * Orie
 * O'Riley
 * Orkney
 * Orley
 * Orlando
 * Orloff
 * Orlov
 * Orlova
 * Orly
 * Orm
 * Orman
 * Ormandy
 * Ormazabal
 * Ormek
 * Ormel
 * Ormerod
 * Ormiston
 * Ormond
 * Ormrod
 * Örn
 * Örnberg
 * Ornelas
 * Örner
 * Ornish
 * Örnólfsson
 * Ornstein
 * Orobio
 * O'Rorke
 * O'Rourke
 * Orosan
 * Oroshi
 * Orozco
 * Orpha
 * Orphanopoulos m
 * Orphanos m
 * Orphanou f
 * Orr
 * Orré
 * Orrico
 * Orrville
 * Orsini
 * Orsino
 * Orsmond
 * Orson
 * Ortega
 * Ortelius
 * Orth
 * Ortiz
 * Ortlieb
 * Ortmann
 * Ortner
 * Orton
 * Orval
 * Orvan
 * Orville
 * Orvis
 * Orwel
 * Orwell
 * Ory
 * Oussoren

Osa-Osz

 * Os
 * Osadzinski
 * Osaph
 * Osasuwe
 * Osborn
 * Osborne
 * Osbourn
 * Osbourne
 * Osburg
 * Oscar
 * Oscard
 * Oscarsson
 * Osei
 * Osenga
 * Osgood
 * Osgoode
 * O'Sheedy
 * Oslander
 * O'Shaughnessy
 * O'Shea
 * Oshida
 * Oshima
 * Oshrin
 * Osiander
 * Osin
 * Osinga
 * Osipov
 * Oskam
 * Oskamp
 * Osler
 * Osman
 * Osmana
 * Osmanoğlu
 * Osmanowa
 * Osment
 * Osmeris
 * Osmers
 * Osmond
 * Osmund
 * Osnabrugge
 * Osorio
 * Ospina
 * Ossanna
 * Ossef
 * Ossege
 * Ossel
 * Ossevoort
 * Ossewaarde
 * Øst
 * Osten
 * Ostendorf
 * Oster
 * Ostermann
 * Osterop
 * Ostiana
 * Ostmän
 * Ostrov
 * Ostrovski
 * Ostrow
 * Ostrowski
 * Ostrowsky
 * O'Suilleabhain
 * O'Sullivan
 * Osuna
 * Oswald
 * Oswalt

Ota-Otz

 * Ota
 * Otanez
 * Otari
 * Otazu
 * Otch
 * Otegi
 * Otellini
 * Oten
 * Oteo
 * Otero
 * Othman
 * Otis
 * Otjens
 * Otjes
 * Otley
 * Otoenbajeva
 * Otokonoko
 * Otolski
 * O'Tool
 * O'Toole
 * Ots
 * Otsen
 * Otsuka
 * Ott
 * Otte
 * Ottema
 * Otten
 * Ottens
 * Otter
 * Otterup
 * Ottesen
 * Ottey
 * Otting
 * Ottink
 * Ottjens
 * Otto
 * Ottolenghi
 * Ottoboni
 * Ottosson
 * Ottow
 * Otum
 * Otunbayeva
 * Otur

Oua-Ouz

 * Ouaali
 * Ouaissa
 * Ou-Aissa
 * Ouaknin
 * Ouali
 * Ouazzani
 * Oud
 * Oudaen
 * Oudbeihy
 * Oude Elferink
 * Oudejans
 * Oudekerk
 * Oudeman
 * Oudenampsen
 * Oude Weernink
 * Oude Wesselink
 * Oudman
 * Oudolf
 * Oudsma
 * Oechay
 * Oued Laou
 * Ouedrago
 * Ouellette
 * Ouk
 * Oukbih
 * Oukoums
 * Oulad Emaroudia
 * Oulad M'barek
 * Ouled L'Kadi
 * Ouled Ouariach
 * Ouled Radi
 * Oulida
 * Oum’Hamed
 * Ourikh
 * Ours
 * Oussoren
 * Out
 * Outalab
 * Ouwehand
 * Ouwehands
 * Ouwejan
 * Ouwens
 * Outen
 * Ouweneel
 * Ouwens
 * Ouwerkerk
 * Ouziel

Ova-Ovz

 * Ovdaen
 * Ovens
 * Overall
 * Overbeek
 * Overbosch
 * Overend
 * Overink
 * Overkompe
 * Overton
 * Oviedo
 * Oving
 * Ovisi
 * Ovsenko
 * Ovsepyan

Owa-Owz

 * Ow
 * Owe
 * Owen
 * Owens
 * Owino
 * Owings
 * Owusu

Oxa-Oxz

 * Oxe
 * Oxenaar
 * Oxenstierna
 * Oxford
 * Oxlade
 * Oxley
 * Oxon

Oya-Oyz

 * Oya
 * O'Yang
 * Oyen
 * Oyens
 * Oyl
 * Oyle
 * Oyler
 * Oyungerel

Oza-Ozz

 * Oz
 * Özada
 * Özalp
 * Ozanne
 * Özant
 * Ozarde
 * Özbek
 * Özbiçer
 * Özbiliz
 * Özcan
 * Özdemir
 * Özdoğan
 * Özen
 * Ozephius
 * Ozeray
 * Ozeri
 * Özgümuş
 * Oziel
 * Özil
 * Ozinga
 * Özkal
 * Ozkan
 * Özkan
 * Ozkaya
 * Özkaya
 * Özler
 * Özmen
 * Özönder
 * Özpamuk
 * Öztaş
 * Öztekin
 * Öztemir
 * Öztüre
 * Ozturk
 * Öztürk
 * Özütok

Affixes

 * O' ~
 * Ó ~
 * -of
 * -off
 * -oglou
 * -oglu
 * -oğlu
 * Olde
 * -on
 * -one
 * -onen
 * -önen
 * -onne
 * op 't
 * -ot
 * -otta
 * -otte
 * -otti
 * -otto
 * Oulad
 * Ouled
 * Oualed
 * -ov
 * -ova
 * -ow
 * -owa
 * -owich
 * -owitsj

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