| Type | Name | Raised | Demobilised | Commanders |
| Regular Army | Guards Division | N/A | N/A | Brigadier-General F. Heyworth Major-General Frederick Lambart, Earl of Cavan Major-General G. Fielding Major-General T. Matheson |
| Regular Army | 1st Division | N/A | N/A | Major-General S.H. Lomax Major-General H. Landon Major-General D. Henderson Major-General R. Haking Major-General A. Holland Major-General E. Strickland |
| Regular Army | 2nd Division | N/A | N/A | Major-General C. Monro Brigadier-General R. Fanshawe Major-General H. Horne Major-General W. Walker Major-General C. Pereira |
| Regular Army | 3rd Division | N/A | N/A | Major-General H. Hamilton Major-General C. Mackenzie Major-General F. Wing Major-General J. Haldane Major-General C. Deverell |
| Regular Army | 4th Division | N/A | N/A | Major-General T. Snow Brigadier-General H. Wilson Major-General H. Rawlinson Major-General H. Wilson Major-General W. Lambton Brigadier-General R. Berners Major-General T. Matheson Major-General Louis Lipsett Major-General C. Lucas |
| Regular Army | 5th Division | N/A | N/A | Major-General C. Fergusson Major-General T. Morland Major-General C. Kavanagh Major-General R. Stephens Major-General J. Ponsonby |
| Regular Army | 6th Division | N/A | N/A | Major-General J. Keir Major-General W. Congreve Major-General C. Ross Major-General T. Marden |
| Regular Army | 7th Division | September 1914 | N/A | Major-General T. Capper Brigadier-General S. Lawford Major-General H. Gough Brigadier-General H. Watts Major-General G. Barrow Major-General T. Shoubridge Brigadier-General J. Steele |
| Regular Army | 8th Division | October 1914 | N/A | Major-General F. Davies Brigadier-General R. Oxley Major-General H. Hudson Major-General W. Heneker |
| New Army | 9th (Scottish) Division | August 1914 | March 1919 | Major-General C. Mackenzie Brigadier-General S. Scrase-Dickens Lieutenant-General C. Fergusson Major-General H. Landon Major-General G. Thesiger Major-General E. Bulfin Major-General W. Furse Major-General H. Lukin Brigadier-General H. Tudor Major-General C. Blacklock Major-General H. Tudor |
| New Army | 10th (Irish) Division | August 1914 | Lieutenant-General T. Mahon Major-General J.Longley | |
| New Army | 11th (Northern) Division | August 1914 | June 1919 | Major-General F. Hammersley Major-General E. Fanshawe Lieutenant-General C. Woollcombe Brigadier-General J. Erskine Major-General A. Ritchie Brigadier-General H. Davies Brigadier-General O. Winter Major-General H. Davies |
| New Army | 12th (Eastern) Division | August 1914 | March 1919 | Major-General J. Spens Major-General F.D.V. Wing Brigader-General W. McLeod Major-General A.B. Scott Major-General H. Higginson |
| New Army | 13th (Western) Division | August 1914 | March 1919 | Major-General R. Kekewich Major-General H. Jeffreys Major-General F. Shaw Major-General F. Maude Major-General W. Cayley |
| New Army | 14th (Light) Division | August 1914 | March 1919 | Major-General T. Morland Brigadier-General F. Fortescue Major-Geneneral V. Couper Major-General W. Greenly Major-General Sir V. Couper Major-General P. Skinner |
| New Army | 15th (Scottish) Division | September 1914 | Major-General A. Wallace Brigadier-General M. Wilkinson Major-General C. Mackenzie Brigadier-General F. Wallerstein Major-General F. McCracken Major-General H. Reed Brigadier-General E. MacNaghten | |
| New Army | 16th (Irish) Division | September 1914 | Lieutenant-General L. Parsons Major-General W. Hickie Major-General C. Hull Major-General A. Ritchie | |
| New Army | 17th (Northern) Division | September 1914 | May 1919 | Major-General W. Kenyon-Slaney Major-General T. Pilcher Major-General P. Robertson |
| New Army | 18th (Eastern) Division | September 1914 | March 1919 | Lieutenant-General L. Parsons Major-General I. Maxse Major-General R. Lee |
| New Army | 19th (Western) Division | September 1914 | March 1919 | Lieutenant-General C. Fasken Major-General G. Bridges Brigadier-General W. Monkhouse Major-General A. Montagu-Stuart-Wortley Major-General C. Shute Major-General G. Bridges Brigadier-General W. Monkhouse Major-General G. Jeffreys |
| New Army | 20th (Light) Division | September 1914 | May 1919 | Major-General E. Hamilton Major-General R. Davies Major-General W. Douglas-Smith Major-General E. Hamilton Major-General W. Douglas-Smith Major-General G. Carey |
| New Army | 21st Division | September 1914 | May 1919 | Lieutenant-General E.Hutton Major-General G. Forestier-Walker Major-General C. Jacob Brigadier-General G. Gloster Major-General C. Jacob Major-General D. Campbell |
| New Army | 22nd Division | September 1914 | March 1919 | Major-General R. Montgomery Major-General F. Gordon Major-General J. Duncan |
| New Army | 23rd Division | September 1914 | March 1919 | Major-General J. Babington Major-General H. Thuillier |
| New Army | 24th Division | September 1914 | Major-General J.G.Ramsay Major-General J.Capper Brigadier-General H.Sheppard Major-General L.Bols Brigadier-General E. Hoare-Nairne Major-General A.Daly | |
| New Army | 25th Division | September 1914 | March 1919 | Major-General F. Ventris Major-General B. Doran Major-General E. Bainbridge Major-General J.R.E. Charles |
| New Army | 26th Division | September 1914 | May 1919 | Major-General E. MacKenzie-Kennedy Brigadier-General A. Gay |
| Regular Army | 27th Division | October 1914 | Major-General T. Snow Major-General G. Milne Brigadier-General S. Hare Major-General W. Marshall Major-General H. Ravenshaw Major-General G. Forestier-Walker | |
| Regular Army | 28th Division | December 1914 | Major-General E. Bulfin Major-General C. Briggs Major-General H. Croker | |
| Regular Army | 29th Division | January 1915 | Major-General F. Shaw Major-General A. Hunter-Weston Major-General H. de Lisle Major-General D. Cayley | |
| New Army | 30th Division | April 1915 | September 1919 | Major-General W. Fry Major-General J. Shea Major-General W. Williams |
| New Army | 31st Division | April 1915 | May 1919 | Major-General E. Fanshawe Major-General R.Wanless O'Gowan Major-General R. Bridgford Major-General J. Campbell |
| New Army | 32nd Division | April 1915 | Major-General W.Rycroft Major-General R.Barnes Major-General C. Shute Major-General A. Montagu-Stuart-Wortley Major-General C. Shute Major-General J. Campbell Major-General R. Bridgford Major-General T. Lambert | |
| New Army | 33rd Division | April 1915 | June 1919 | Major-General F. Maude Major-General G. Thesiger Major-General H. Landon Major-General R. Pinney Major-General P. Wood |
| New Army | 34th Division | April 1915 | N/A | Major-General E. Ingouville-Williams Major-General C. Nicholson |
| New Army | 35th Division | April 1915 | April 1919 | Major-General R. Pinney Major-General H. Landon Major-General G. Franks Major-General A. Marindin |
| New Army | 36th (Ulster) Division | August 1914 | June 1919 | Major-General C. Powell Major-General O. Nugent Major-General C.Coffin |
| New Army | 37th Division | March 1915 | March 1919 | Major-General Count Gleichen Major-General S. Scrase-Dickens Major-General H. Bruce-Williams |
| New Army | 38th (Welsh) Division | October 1914 | June 1919 | Major-General I. Philipps Major-General H. Watts Major-General C. Blackader Brigadier-General E. Alexander Brigadier-General W. Thompson Major-General C. Blackader Brigadier-General H. ap Rhys Price Major-General T. Cubitt |
| New Army | 39th Division | August 1915 | June 1918 | Major-General N. Barnardiston Major-General R. Dawson Major-General G. Cuthbert Major-General E. Feetham Major-General C. Blacklock Major-General N. Malcolm |
| New Army | 40th Division | September 1915 | May 1919 | Major-General H. Ruggles-Brise Major-General John Ponsonby Major-General Sir W. Peyton |
| New Army | 41st Division | September 1915 | March 1919 | Major-General S. Lawford |
| Territorial Force | 42nd (East Lancashire) Division | N/A | N/A | Major-General W. Douglas Major-General B. Mitford Brigadier-General W. Seymour Major-General A. Solly-Flood |
| Territorial Force | 43rd (Wessex) Division | N/A | N/A | Major-General C. Donald |
| Territorial Force | 44th (Home Counties) Division | N/A | October 1914 | Major-General J. Young |
| Territiorial Force | 45th (2nd Wessex) Division | September 1914 | 1919 | Brigadier-General R. Pinney |
| Territorial Force | 46th (North Midland) Division | N/A | N/A | Major-General Hon. E. Montagu-Stuart-Wortley Major-General W. Thwaites Major-General G. Boyd |
| Territorial Force | 47th (1/2nd London) Division | |||
| Territorial Force | 48th (South Midland) Division | |||
| Territorial Force | 49th (West Riding) Division | |||
| Territorial Force | 50th (Northumbrian) Division | |||
| Territorial Force | 51st (Highland) Division | |||
| Territorial Force | 52nd (Lowland) Division | |||
| Territorial Force | 53rd (Welsh) Division | |||
| Territorial Force | 54th (East Anglian) Division | |||
| Territorial Force | 55th (West Lancashire) Division | |||
| Territorial Force | 56th (1/1st London) Division | |||
| Territorial Force | 57th (2nd West Lancashire) Division | |||
| Territorial Force | 58th (2/1st London) Division | |||
| Territorial Force | 59th (2nd North Midland) Division | |||
| Territorial Force | 60th (2/2nd London) Division | |||
| Territorial Force | 61st (2nd South Midland) Division | |||
| Territorial Force | 62nd (2nd West Riding) Division | |||
| Royal Navy | 63rd (Royal Naval) Division | |||
| Territorial Force | 63rd (2nd Northumbrian) Division | |||
| Territorial Force | 64th Division | |||
| Territorial Force | 65th Division | |||
| Territorial Force | 66th (2nd East Lancashire) Division | |||
| Territorial Force | 67th Division | |||
| Territorial Force | 68th Division | |||
| Territorial Force | 69th Division | |||
| Territorial Force | 70th Division | |||
| Territorial Force | 71st Division | |||
| Territorial Force | 72nd Division | |||
| Territorial Force | 73rd Division | |||
| Territorial Force | 74th (Yeomanry) Division | |||
| Territorial Force | 75th Division |
