| class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osea Island | class="adr" | Essex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osehill Green | class="adr" | Dorset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osgathorpe | class="adr" | Leicestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osgodby | class="adr" | Lincolnshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osgodby (Scarborough) | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osgodby (Selby) | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osgodby Common | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osidge | class="adr" | Barnet | class="note" | | class="note" | |- class="vcard" | class="fn org" | Oskaig | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osleston | class="adr" | Derbyshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmaston | class="adr" | City of Derby | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmaston | class="adr" | Derbyshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmington | class="adr" | Dorset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmington Mills | class="adr" | Dorset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmondthorpe | class="adr" | Leeds | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osmotherley | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osnaburgh (Dairsie) | class="adr" | Fife | class="note" | | class="note" | |- class="vcard" | class="fn org" | Osney | class="adr" | Oxfordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ospisdale | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ospringe | class="adr" | Kent | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ossemsley | class="adr" | Hampshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ossett | class="adr" | Wakefield | class="note" | | class="note" | |- class="vcard" |