Scotland
O
- O'hare
- Oakley, Scotland
- Oakshaw Ford
- Oape
- Oathlaw
- Oban
- Oban Seil
- Occumster
- Ochiltree
- Ochtrelure
- Old Aberdeen
- Old Balornock
- Old Bridge of Tilt
- Old Bridge of Urr
- Old Craighall
- Old Dailly
- Old Deer
- Old Drumchapel
- Old Keith
- Old Kilpatrick
- Old Kinnernie
- Old Monkland
- Old Montrose
- Old Pentland
- Old Philpstoun
- Old Polmont
- Old Rayne
- Old Scone
- Old Struan
- Oldhamstocks
- Oldmeldrum
- Oldshore Beg
- Oldshoremore
- Oldtown
- Oldwhat
- Olgrinmore
- Ollaberry
- Ollach
- Onich
- Onthank
- Opinan, Scotland
- Opinan, Highland
- Orabost
- Orasaigh
- Orbiston
- Orbliston
- Orbost
- Orchard Brae
- Orchard Park, Scotland
- Orchard Park, East Renfrewshire
- Ord
- Ordale
- Ordhead
- Ordie
- Ordiquish
- Orinsay
- Ormacleit
- Ormiclate
- Ormiscaig
- Ormiston
- Ormlie
- Orphir
- Os
- Ose
- Osgaig
- Oskaig
- Osmondwall
- Osnaburgh
- Otter Ferry
- Otterswick, Scotland
- Otterswick, Shetland Islands
- Outertown
- Overbister
- Overbrae
- Overton, Dumfries and Galloway
- Overton, Highland
- Overton, Inverclyde
- Overtown, Scotland
- Oxgang
- Oxgangs
- Oxnam
- Oykel Bridge
- Oyne