This is a list of Royal Ordnance Factories.
| Royal Arsenal Factory No. 1 | Woolwich, London, England | No. 1 | ||
| Royal Small Arms Factory Enfield Factory No. 2 | Enfield, London, England | No. 2 | ||
| Waltham Abbey, Essex, England | No. 31 | |||
| County Durham, England | Filling Factory No. 8 | |||
| Wigan, Greater Manchester, England | No. 15 | |||
| Birtley, County Durham, England | ||||
| ROF Bishopton (3 factories) | Bishopton, Renfrewshire, Scotland | |||
| Blackburn, Lancashire, England | ||||
| Worcester, Worcestershire, England | SAA Factory | No. 20 | ||
| Bridgend, Wales | Filling Factory No. 11 | |||
| Bridgend, Wales | Filling Factory No. 2 | |||
| Bridgwater, Somerset, England | No. 37 | |||
| ROF Burghfield (later part of the Atomic Weapons Establishment (AWE) | Burghfield, Berkshire, England | Filling Factory No. 18 | ||
| ROF Cardiff (later part of the Atomic Weapons Establishment (AWE) | Llanishen, Cardiff, Wales | |||
| Euxton, Lancashire, England | Filling Factory No. 1 | |||
| Clydebank, West Dunbartonshire, Scotland | ||||
| Drigg, Cumbria, England | ||||
| Dunham on the Hill, Cheshire, England | Explosives storage depot | |||
| Bedford, Bedfordshire, England | Filling Factory No. 16 | |||
| Liverpool, Merseyside, England | Rifles Factory | |||
| Featherstone, Wolverhampton, England | Filling Factory No. 17 | |||
| ROF Glascoed (later BAE Systems Munitions Glascoed) | Glascoed, Monmouthshire, Wales | Filling Factory No. 3 | ||
| Hirwaun, Rhondda Cynon Taf, Wales | ||||
| Irvine, North Ayrshire, Scotland | ||||
| Kirkby, Merseyside, England | Filling Factory No. 7 | |||
| Leeds, West Yorkshire, England | ||||
| Maltby, South Yorkshire, England | Rifles Factory | |||
| Melmerby, North Yorkshire, England | Munitions Inspection Factory | |||
| Newport, Wales | ||||
| Nottingham, Nottinghamshire, England | ||||
| Eccles, Greater Manchester, England | M/C Shop Engineering ROF | |||
| Pembrey, Carmarthenshire, Wales | ||||
| Poole, Dorset, England | ||||
| Queniborough, Leicestershire, England | Filling Factory No. 10 | |||
| near Alsager, Cheshire, England | SAA Factory | No. 13 | ||
| Ranskill, Nottinghamshire, England | ||||
| Risley, Cheshire, England | Filling Factory No. 6 | |||
| Rotherwas, Herefordshire, England | Filling Factory No. 4 | |||
| Ruddington, Nottinghamshire, England | Filling Factory No. 14 | |||
| ROF Sellafield (later the nuclear establishment Sellafield) | Sellafield, Cumbria, England | |||
| Southall, London, England | SAA Filling Factory | |||
| Birmingham, West Midlands, England | SAA Filling Factory | |||
| Spennymoor, County Durham, England | SAA Factory | No. 21 | ||
| Steeton, West Yorkshire, England | SAA Factory | No. 22 | ||
| Swynnerton, Staffordshire, England | Filling Factory No. 5 | |||
| Theale, Berkshire, England | ||||
| Thorp Arch, West Yorkshire, England | Filling Factory No. 9 | |||
| Wrexham, Wales |