Dijon 21000 - Bourgogne
- Osmanov
- Osowiechi
- Osterfeld
- Ostermann
- Otto
- Ouabass
- Ouahoud
- Ouandji
- Ouary
- Oubelchdif
- Oubouda
- Ouchaou
- Oucif
- Ouermi
- Ouiaazzane
- Ouillon
- Ouitis
- Ouk
- Oulahri
- Ouldattou
- Oulebsir
- Oulkasse
- Oumakhou
- Oumedjkane
- Ounissi
- Ourrihane
- Outor
- Outre
- Outski
- Outtrabady
- Ouzahra
- Ouzaia
- Ovigny
- Oyarsabal
- Ozanon
- Pacaut
- Pacotte
- Paday
- Padieu
- Paganon
- Pagotto
- Paillet
- Pajot
- Palaisy
- Palanchon
- Palazzo
- Palheire
- Pallas
- Palma
- Palmer
- Palmerini
- Panay
- Pandal
- Panek
- Panetier
- Panico
- Pannetier
- Panot
- Panzani
- Paoli
- Papin
- Paponneau
- Papougnot
- Paput
- Paquin
- Paquis
- Pardal
- Paret
- Parise
- Parisel
- Parisy
- Parizon
- Parnaso
- Paroisse
- Parot
- Parra
- Parrod
- Parry
- Parthiot
- Pascot
- Pascual
- Passaquit
- Passe
- Pastre
- Pastrello
- Patching
- Pate
- Pateffoz
- Pater
- Patrigeon
- Patruno
- Patrux
- Pattar
- Pauck
- Paulard
- Paulette
- Paulik
- Paulino
- Paulny
- Paurelle