- Old Netley
- Old Oak Common
- Old Perton
- Old Snydale
- Old Sodbury
- Old Stratford
- Old Swan
- Old Town
- Old Warren
- Old Wives Lees
- Oldbury
- Oldbury
- Oldbury
- Oldbury Naite
- Oldcotes
- Oldcroft
- Oldfield
- Oldfield
- Oldfield
- Oldford
- Oldhill Wood
- Oldwood
- Oliver's Island
- Ollerton
- Once Brewed
- Onehouse
- Ongar
- Onley
- Orchard Leigh
- Orcop Hill