O
- (Haute-Saône) Oyrières
- (Saône-et-Loire) Ozolles
- (Saône-et-Loire) Ormes
- (Doubs) Oye-et-Pallet
- (Nièvre) Ouroux-en-Morvan
- (Yonne) Ouanne
- (Yonne) Ormoy
- (Saône-et-Loire) Oslon
- (Jura) Orchamps
- (Cote d'Or) Ouges
- (Doubs) Orchamps-Vennes
- (Jura) Orgelet
- (Saône-et-Loire) Ouroux-sur-Saône
- (Territoire de Belfort) Offemont
- (Doubs) Ornans