| Photo | Surname | Other names | Place | Type |
| 024 | ORCHARD | Annie Florence | East Grafton | Burials List |
| 049 | ORCHARD | Annie Florence | East Grafton | Burials List |
| 196 | ORCHARD | Annie Florence | East Grafton | Gravestone |
| 013 | ORCHARD | David | East Grafton | Burials List |
| 039 | ORCHARD | David | East Grafton | Burials List |
| 219 | ORCHARD | David | East Grafton | Gravestone |
| 014 | ORCHARD | Dorothy (Mrs Millard) | Little Bedwyn | Gravestone |
| 013 | ORCHARD | Edward | East Grafton | Burials List |
| 039 | ORCHARD | Edward | East Grafton | Burials List |
| 220 | ORCHARD | Edward | East Grafton | Gravestone |
| 0373 | ORCHARD | Emma | Stratton St. Margaret | Gravestone |
| 0373 | ORCHARD | George | Stratton St. Margaret | Gravestone |
| D127 | ORCHARD | H. | Ramsbury | War Memorial |
| Text | ORCHARD | H. | Ramsbury | War Memorial |
| 039 | ORCHARD | Herbert Thomas | East Grafton | Burials List |
| 014 | ORCHARD | Lucy | Little Bedwyn | Gravestone |
| 038 | ORCHARD | Lucy | East Grafton | Burials List |
| Text | ORCHARD | Richard | Preshute | Vicars |
| 146 | ORCHARD | Ronald Leslie | Figheldean | Gravestone |
| 049 | ORCHARD | Stanley Arthur | East Grafton | Burials List |
| 196 | ORCHARD | Stanley Arthur | East Grafton | Gravestone |
| 035 | ORCHARD | Timothy | East Grafton | Burials List |
| D097 | ORCHARD | William Richard | Broad Hinton | Gravestone |
| 078 | ORD | J. L. | Marlborough | War Memorial |
| 070 | ORGAN | Alfred Ernest | Cowley | Gravestone |
| 071 | ORGAN | Alfred Ernest | Cowley | Gravestone |
| 070 | ORGAN | Annie | Cowley | Gravestone |
| 0328 | ORGAN | Kathleen Lucy | Swindon | Gravestone |
| 0328 | ORGAN | Ralph | Swindon | Gravestone |
| 022 | ORGILL | Irene (Mrs Lewington) | East Grafton | Burials List |
| Note | ORGOYLE | Stratton St. Margaret | Aubrey Book |
| 044+ | ORMOND | Elizabeth (nee Young) | Brinkworth | Memorial |
| 044+ | ORMOND | John | Brinkworth | Memorial |
| 261 | ORMSBY | Philip Robert | Collingbourne Ducis | Memorial |
| 258 | ORMSBY | Philip Robert | Collingbourne Ducis | Rectors |
| 084 | ORMSTON | Derek | Dauntsey | Rector’s List |
| Text | ORMSTON | Derek | Brinkworth | Rectors List |
| 186 | ORPWOOD | Ada | Figheldean | Gravestone |
| D010 | ORPWOOD | Alice | Swindon | Stained Glass |
| D010 | ORPWOOD | Walter | Swindon | Stained Glass |
| 186 | ORPWOOD | William | Figheldean | Gravestone |
| Text | ORR | Arthur Anselm | Rockley | Text |
| D105 | ORR | Arthur Wellesley | Ramsbury | Incumbents |
| 258 | ORYNGE | Robertus | Collingbourne Ducis | Rectors |
| 007 | OSBODBY | William | Bishopstone | Vicars List |
| 1044 | OSBORN | William Ernest | Purton | Gravestone |
| 087 | OSBORNE | Alice Mabel | Yatton Keynell | Gravestone |
| 076 | OSBORNE | Ann | Swindon | Gravestone |
| 087 | OSBORNE | Arthur | Yatton Keynell | Gravestone |
| 031 | OSBORNE | Daisy | Ashton Keynes | Bell Appeal Donators |
| 031 | OSBORNE | Edward | Ashton Keynes | Bell Appeal Donators |
| 0200 | OSBORNE | Ellen Mabel | Swindon | Gravestone |
| 0619 | OSBORNE | Emily A. | Purton | Gravestone |
| 335 | OSBORNE | Ernest Henry | Ashton Keynes | Gravestone |
| 307 | OSBORNE | F. | Swindon | War Memorial |
| 0200 | OSBORNE | George Henry | Swindon | Gravestone |
| 026 | OSBORNE | James | Wootton Bassett | War Memorial |
| 294 | OSBORNE | James | Wootton Bassett | War Memorial |
| 0084 | OSBORNE | James | Kington St. Michael | Gravestone |
| 076 | OSBORNE | John | Swindon | Gravestone |
| 0084 | OSBORNE | Lilian | Kington St. Michael | Gravestone |
| 0620+ | OSBORNE | Mary | Purton | Gravestone |
| 031 | OSBORNE | Maureen | Ashton Keynes | Bell Appeal Donators |
| 0053 | OSBORNE | Nicola | Yatesbury | Gravestone |
| 031 | OSBORNE | Roger | Ashton Keynes | Bell Appeal Donators |
| 0111 | OSBORNE | Thomas | Swallowcliffe | Vicars |
| 307 | OSBORNE | W. J. | Swindon | War Memorial |
| 0621+ | OSBORNE | William E. C. | Purton | Gravestone |
| 0382 | OSBOURN | Ethel Lovaine | Purton | Gravestone |
| 0416 | OSBOURN | John | Purton | Memorial Plaque |
| 0382 | OSBOURN | Leonard James | Purton | Gravestone |
| D036 | OSBOURNE | Bob | Lyneham | Gravestone |
| 030 | OSBOURNE | E. H. | Ashton Keynes | Graveyard Plan |
| D041+ | OSGOT | Robus | Calstone | Rectors |
| D040 | OSLAND | Arthur William | Bromham | Roll of Honour |
| D040 | OSLAND | Frederick John | Bromham | Roll of Honour |
| D040 | OSLAND | Henry George | Bromham | Roll of Honour |
| 0255 | OSMAN | Emily Ellen | Wroughton | Gravestone |
| 0255 | OSMAN | William | Wroughton | Gravestone |
| Text | OSMOND | Calne | Aubrey pages |
| 0312 | OSOWSKI | Antoni | Swindon | Gravestone |
| 17 | OST | Peter | Longcot, Oxfordshire | Remembrance inscription |
| Text | OSTAGE | Richard le | Swindon | Aubrey book |
| 299 | OSTAGE | Richardus le | Swindon | Vicars List |
| 0318 | OSTAPIUK | Weronika | Swindon | Gravestone |
| 0170 | OSTRER | Renee Carolina | Yatesbury | Gravestone |
| 0271 | OSTROM | A. | Sutton Veny | War Memorial |
| 0122 | OSTROM | Alfred Harold | Sutton Veny | Gravestone |
| 299 | OTES | Robertus | Swindon | Vicars List |
| 215 | OTHEN | Alfred Henry | Figheldean | Gravestone |
| 215 | OTHEN | Dorothy Joan | Figheldean | Gravestone |
| 0025 | OTTON | Helen | Stratton St. Margaret | Gravestone |
| 0025 | OTTON | John | Stratton St. Margaret | Gravestone |
| 194 | OUENS | William | Dauntsey | Gravestone |
| 060 | OUGHTREDE | Robert | Foxley | Rectors |
| 0167 | OUIHAMPTON | W. N. | Sutton Veny | Gravestone |
| 029 | OUSELEY | Elizabeth Anne | Amesbury | Memorial |
| D019 | OUTRED | John | Shrivenham | Vicars |
| 0375 | OVENS | Albert Frederick | Purton | Gravestone |
| 0357 | OVENS | Arthur Henry | Purton | Gravestone |
| 0757 | OVENS | Arthur Leonard | Purton | Gravestone |
| 0487 | OVENS | Beatrice Ada Cook | Wroughton | Gravestone |
| 210 | OVENS | Charles Leslie | Swindon | Gravestone |
| 177 | OVENS | Diana | Broughton Gifford | Gravestone |
| 0757 | OVENS | Edward John | Purton | Gravestone |
| 0357 | OVENS | Eliza Ann | Purton | Gravestone |
| 0375 | OVENS | Elsie May | Purton | Gravestone |
| D021 | OVENS | Emily Kate | Wroughton | Gravestone |
| 170 | OVENS | H. | West Lavington | Roll of Honour |
| 177 | OVENS | Jesse Herbert | Broughton Gifford | Gravestone |
| 228 | OVENS | Laurence Jesse | Broughton Gifford | Gravestone |
| 0757 | OVENS | Lily | Purton | Gravestone |
| 1072 | OVENS | Nelson Gilbert | Purton | Gravestone |
| 0375 | OVENS | Peter | Purton | Gravestone |
| 0487 | OVENS | Richard | Wroughton | Gravestone |
| 0487 | OVENS | Ruth | Wroughton | Gravestone |
| 0013 | OVENS | William | Wroughton | Gravestone |
| 139 | OVERALL | George William | Broughton Gifford | Gravestone |
| 139 | OVERALL | Hilda Alice | Broughton Gifford | Gravestone |
| 139 | OVERALL | Lily Elizabeth | Broughton Gifford | Gravestone |
| 237 | OVERALL | Peggy E. | Broughton Gifford | Gravestone |
| 0364+ | OVERMAN | James | Wroughton | Gravestone |
| 0365+ | OVERMAN | Kate Emma | Wroughton | Gravestone |
| Note | OVERREACH | Giles | Lydiard Tregoze | Aubrey book |
| 0329 | OVERTON | Edwin Francis | Swindon | Gravestone |
| 0329 | OVERTON | Mary Ann | Swindon | Gravestone |
| Text | OW | William de | Sevenhampton | Aubrey book |
| Notes | OWE | William (or Ewe) | Hilmarton | Aubrey book (Notes) |
| 056 | OWEN | Alexandra Mary | Donhead St. Andrew | Baptismal Roll |
| 0066 | OWEN | C. | Sutton Veny | Gravestone |
| 0271 | OWEN | C. | Sutton Veny | War Memorial |
| D052 | OWEN | Edward | Enford | Gravestone |
| 0444 | OWEN | J. | Great Bedwyn | Aubrey |
| 296 | OWEN | John | Netheravon | Vicar |
| Text | OWEN | Meiler | Wootton Bassett | Aubrey Pages |
| 082 | OWEN | Ralph | Liddington | Gravestone |
| D052 | OWEN | Sylvia Alice B | Enford | Gravestone |
| 015 | OWEN | William | Silbury Hill | Aubrey |
| 294 | OWEN | William C. | Wootton Bassett | War Memorial |
| 026 | OWEN | William Clive | Wootton Bassett | War Memorial |
| 0105 | OWENS | J. R. | Sutton Veny | Gravestone |
| 0271 | OWENS | J. R. | Sutton Veny | War Memorial |
| D119 | OXLEY | Thomas Ronald | Cricklade | Book of Remembrance |