East Midlands
O
- Oadby
- Oak Flat
- Oak, Copt
- Oakenhall
- Oakerthorpe
- Oakham
- Oakley, North Northamptonshire
- Oakley Bank
- Oakley, Great
- Oakley, Little
- Oaks in Charnwood
- Oaks, Haywood
- Oasby
- Obthorpe
- Ockbrook
- Odder
- Oddo
- Odell
- Odell, Little
- Odstone
- Ogston
- Okeover
- Oker
- Old
- Old Basford
- Old Blackwell
- Old Bolingbroke
- Old Brampton
- Old Brinsley
- Old Dalby
- Old Dam
- Old Fletton
- Old Glossop
- Old Higham
- Old Ingarsby
- Old Leake
- Old Lenton
- Old Matlock
- Old Mill, Bassetlaw
- Old Somerby
- Old Stratford
- Old Town, West Northamptonshire
- Old Tupton
- Old Whittington
- Old Wolverton
- Old Woodhall
- Ollerbrook Booth
- Ollersett
- Ollerton, East Midlands
- Ollerton, New
- Ompton
- Openwoodgate
- Orby
- Ordsall, East Midlands
- Orford House
- Orlingbury
- Orston
- Orton Brimbles
- Orton Goldhay
- Orton Longueville
- Orton Malborne
- Orton Northgate
- Orton Southgate
- Orton Waterville
- Orton Wistow
- Osbaston Hollow
- Osbaston Lount
- Osbaston Toll Gate
- Osberton
- Osbournby
- Osgathorpe
- Osleston
- Osleton
- Osmanthorpe
- Osmaston
- Otby
- Oulton Park
- Oundle
- Outwoods, North West Leicestershire
- Over Burrows
- Over End, East Midlands
- Over Haddon
- Over Leigh
- Over Newbold
- Over Peover
- Over Woodhouse
- Overend, North East Derbyshire
- Overgreen
- Overseal
- Oversetts
- Oversetts Road
- Overstone
- Overstone Lodge
- Overthorpe, West Northamptonshire
- Overton, North East Derbyshire
- Overton, Cold
- Owlcotes
- Owler Bar
- Owlthorpe
- Owmby Cliff
- Owmby-by-Spital
- Owston
- Owston Ferry
- Owthorpe
- Oxcombe
- Oxcroft
- Oxcroft Estate
- Oxendon Lodge
- Oxendon, Little
- Oxheys
- Oxley Park
- Oxton, East Midlands
- Oxton Rakes