Arthur James Balfour (25. juli 1848 - 19. marts 1930) var en britisk konservativ politiker. Han var Storbritanniens premierminister 1902–05
Han er særlig kendt for Balfour-deklarationen, et brev han skrev mens hans var udenrigsminister i 1917 til den engelske zionistleder Lord Rothschild.
Walpole | Wilmington | Pelham | Newcastle | Devonshire | Newcastle | Bute | Grenville | Rockingham | Pitt d.æ. | Grafton | North | Rockingham | Shelburne | Portland | Pitt d.y. | Addington | Pitt d.y. | Grenville | Portland | Perceval | Liverpool | Canning | Goderich | Wellington | Grey | Melbourne | Wellington | Peel | Melbourne | Peel | Russell | Derby | Aberdeen | Palmerston | Derby | Palmerston | Russell | Derby | Disraeli | Gladstone | Disraeli | Gladstone | Salisbury | Gladstone | Salisbury | Gladstone | Rosebery | Salisbury | Balfour | Campbell-Bannerman | Asquith | Lloyd George | Bonar Law | Baldwin | MacDonald | Baldwin | MacDonald | Baldwin | Chamberlain | Churchill | Attlee | Churchill | Eden | Macmillan | Douglas-Home | Wilson | Heath | Wilson | Callaghan | Thatcher | Major | Blair | Brown