Illarion Ivanovich Vorontsov-Dashkov – Kafkasya Genel Valisi ve Kafkas Ordu Komutanı (1914–1915),
Nikolai Yudenich – Kafkasya Cephesi'ndeki Rus kuvvetlerinin komutanı (1917)
Andrei Zayonchkovski – Romanya Cephesi'nde Rus-Romen Dobruca Ordusu Komutanı
Vladimir Viktorovich Sakharov – 11. Ordu'ya (1915-1916), Tuna Ordusu'na (1916) komuta etti ve ardından Romanya Cephesi'nin başkomutan yardımcısı oldu (1916-1917)
Dmitry Shcherbachev – 11. Ordu'ya komuta etti ve daha sonra 1917'de Romanya Cephesi'nin başkomutan yardımcısı oldu
Joseph Joffre[9] – Commander-in-Chief of the French Army (1914–1916); Marshal of France from the end of 1916
Ferdinand Foch[10] – Commander of French Army Group North (1914–1916), Commander-in-chief and Generalissimo of the Allied Armies (1918); Marshal of France from August 1918
Philippe Pétain[12] – Commander-in-Chief of the French Army (1917–1918); Marshal of France from November 1918
Maxime Weygand – General in the French Army and one of the Permanent Military Representatives in the Allied Supreme War Council
Augustin Dubail – Commanded the 1st Army (1914–1915) followed by Army Group East at Battle of Verdun until 1916. He was later military governor of Paris (1916–1918)
Fernand de Langle de Cary – Commander of the 4th Army in the Battle of the Ardennes, 1914. Later took command of Central Army Group in 1915–1916.
Victor d'Urbal – Commander of all French troops in Belgium in 1914, then the 8th Army (1915–1916) and 10th Army which participated in the Second and Third Battle of Artois
Maurice Sarrail – Commander of the Army of the Orient and which evolved to the Allied Army of the Orient on the Macedonian front (1915–1917)
Adolphe Guillaumat – Commander of the Allied Army of the Orient (1917–1918), then became military governor of Paris and was appointed to the Supreme War Council
Louis Franchet d'Espèrey – Commander of Army Group North 1916–1918, The Allied Army of the Orient and in the Liberation of Serbia (1918)
Joseph Gallieni – Military Governor of Paris and Harbiye Nazırı (1915–1916)
Michel-Joseph Maunoury – Commander of the 6th Army (1914–1915) during the First Battle of the Marne
Pierre Roques – Commanded the 1st Army (1915–1916) and served as Harbiye Nazırı (1916)
Marie-Eugène Debeney – General of the 1st Army (1917–1918) and Chief of Staff to Philippe Pétain
Paul Maistre – Commander of the 6th Army (1917), the 10th Army as part of the Italian Expeditionary Force in the Italian Front (1917–1918) ). Finally the Northern Army Group (1918)
Henri Putz – Commander of the Army Detachment of the Vosges which later became the 7th Army (1914–1915)
Louis de Maud'huy – Commander of the 10th Army (1914–1915), followed by command of the 7th Army in 1915, notably at the Battle of Hartmannswillerkopf
Georges Louis Humbert – Commander of the 8th Army (1915) followed by command of the 3rd Army (1915–1918)
Denis Auguste Duchêne – Commander of the 6th Army (1917–1918) during the Third Battle of the Aisne
Charles Mangin – Commanded the 6th Army (1916–1917) in the Second Battle of the Aisne and later the 10th Army in the Second Battle of the Marne
Henri Gouraud – Led the Oriental Expeditionary Forces in 1915 during the Gallipoli Campaign where he lost his arm, later commanded the 4th Army (1915–1916 & 1917–1918)
François Anthoine – Commander of the 1st Army during the Battle of Passchendaele (1917)
Henri Mathias Berthelot – General of French Military Mission in Romania and the Fifth Army
Noël Èdouard de Castelnau – Commander of the 2nd (1914–1915), Central Army Group (1915) and Eastern Army Group (1918)
Émile Fayolle – Commander of the 1st Army (1916–1917), Army Group Center (1917), French divisions to the Italian Front (1917–1918) and the Army Group Reserve (1918)
Hubert Lyautey – Resident-General of Morocco (1912–1916), suppressing rebellions in North Africa during the war. Harbiye Nazırı (1916–1917)
Jean César Graziani – Commander of the Italian 12th Army in the Battle of Vittorio Veneto
David Lloyd George – Birleşik Krallık Başbakanı (1916–1922), Savaştan Sorumlu Devlet Bakanı (1916)
Herbert Kitchener – Savaştan Sorumlu Devlet Bakanı (1914–1916)
The Earl of Derby – Savaştan Sorumlu Devlet Bakanı (1916–1918)
The Viscount Milner – Savaştan Sorumlu Devlet Bakanı (1918–1919)
James Wolfe Murray – Chief of the Imperial General Staff (1914–1915), British Troops in Egypt (1916–1917)
William Robertson – Chief of the Imperial General Staff (1916–1918)
John French – Commander-in-Chief of the BEF (1914–1915) and Commander-in-Chief, Home Forces (1915–1918)
Douglas Haig – Commander-in-Chief of the British Expeditionary Force (1915–1918)
Henry Wilson – Advisor of John French and Chief of the Imperial General Staff (1918–1922)
Archibald Murray – Chief of Staff of the British Expeditionary Force (1914–1915), Chief of the Imperial General Staff (1915) and Commander of the Egyptian Expeditionary Force (1916–1917)
Edmund Allenby – Commander of the Third Army and later the Egyptian Expeditionary Force (1917–1918)
Henry Horne – Commander of the First Army (1916–1918)
Horace Smith-Dorrien – Led the II Corps of the BEF at the Battle of Mons and Le Cateau, he then commanded the 2nd Army (1914–1915)
Herbert Plumer – Commander of the V Corps at the Second Battle of Ypres (1915) followed by command of the 2nd Army (1915–1917). He then led the Italian Expeditionary Force before going back to the 2nd Army (1918)
Henry Rawlinson – British General of the Fourth Army, notably at the Battle of the Somme and Battle of Amiens
Hubert Gough – Commander of the Fifth Army (1916–1918)
George Milne – Commander of the British Salonika Army at the Salonika front (1916-1918f)
The Earl of Cavan – Commander of the Italian 10th Army at the Battle of Vittorio Veneto
Ian Hamilton – Commander of the Mediterranean Expeditionary Force during the Gallipoli Campaign
Reginald Wingate – Commander of the British forces in the Anglo-Egyptian Darfur Expedition
Charles Macpherson Dobell – Commander of the Allied force in the Kamerun campaign
Hastings Ismay – Commander of the British forces in the Somaliland Campaign
Stanley Maude – Commander during the Mesopotamian Campaign
Prince Louis of Battenberg – First Sea Lord (1912–1914)
Lord Fisher – First Sea Lord (1914–1915)
Sir Henry Jackson – First Sea Lord (1915–1916)
Sir John Jellicoe – Commanding officer of the Grand Fleet (1914–1916), First Sea Lord (1916–1918)
Sir Rosslyn Wemyss – First Sea Lord (1918–1919)
David Beatty – Commanding officer of the Grand Fleet (1916–1919)
Edwin Samuel Montagu – Secretary of State for India (1917–1922)
Beauchamp Duff – Commander-in-Chief, India (1914–1916)
Charles Monro – Commander-in-Chief, India (1916–1920), Mediterranean Expeditionary Force (1915–1916) and the British First Army (1916)
John Nixon – Commander in the British Indian Army
James Willcocks – Commander of the I Indian Corps on the Western Front
Güney Afrika Birliği
Louis Botha – Prime Minister of South Africa
The Earl of Buxton – Governor-General of South Africa
Jan Smuts – Commander in the South-West Africa Campaign and in the East African Campaign (1916–1917)
Jacob van Deventer – commanded the Union Defence Force and later all forces of the South African Overseas Expeditionary Force in the East African Campaign (1917–1918)
Yeni Zelanda Dominyonu
William Massey – Prime Minister of New Zealand
The Earl of Liverpool – Governor-General of New Zealand
Alexander Godley – Chief of Army of New Zealand Military Forces (1910–1914) and The New Zealand Expeditionary Force (1914–1918)
Alfred William Robin – Quartermaster-General and Chief of Army of New Zealand Military Forces (1914–1919)
Andrew Hamilton Russell – Commander of the New Zealand Division
Newfoundland Dominyonu
Edward Morris – Prime Minister of Newfoundland (1909–1917)
John Crosbie – Prime Minister of Newfoundland (1917–1918)
William Lloyd – Prime Minister of Newfoundland (1918–1919)
Walter Edward Davidson – Governor of Newfoundland (1913–1917)
Charles Alexander Harris – Governor of Newfoundland (1917–1922)
Arthur Lovell Hadow – Commander of the Royal Newfoundland Regiment in the Battle of the Somme 1916
James Forbes-Robertson – Deputy Commanding Officer of the 1st Battalion of the Royal Newfoundland Regiment, acting commander during the Battle of Monchy-le-Preux (part of the Battle of Arras)
Radomir Putnik – Chief of Staff of the Serbian Army (1914–1915)
Živojin Mišić – Deputy Chief of General Staff (1914), Commander of First Army (1914–1915; 1917) and Chief of General Staff (1918)
Petar Bojović – Commander of First Army (1914), Deputy Chief of General Staff (1915–1916), Chief of General Staff (1916–1918) later Commander of First Army (1918)
Stepa Stepanovic – Commander of Second Army (1914–1918)
Pavle Jurišić Šturm – Commander of Third Army (1914–1916)
Antonin de Selliers de Moranville – Chief of Staff until September 6, 1914
Félix Wielemans – Deputy Chief of Staff (1914) and Chief of Staff (1914–1917)
Louis Ruquoy – Chief of Staff (1917–1918)
Cyriaque Gillain – Chief of Staff (1918)
Émile Dossin de Saint-Georges – Commander of the 2nd Division in the German invasion of Belgium, later Military envoy of the Belgian Government-in-exile
Alphonse Jacques de Dixmude – General notable for his role in the Battle of the Yser, later commanded the 3rd Division (1917–1919)
Gérard Leman – General commanding the defense of Liège
Charles Tombeur – Commander of the colonial Force Publique in the East African theater
Vittorio Italico Zupelli – Italian Harbiye Nazırı (1914–1916) (1918)
Paolo Morrone – Italian Harbiye Nazırı (1916–1917)
Gaetano Giardino – Italian Harbiye Nazırı (1917)
Vittorio Luigi Alfieri – Italian Harbiye Nazırı (1917–1918)
Luigi Cadorna – Chief of Staff of the Italian Army (1914–1917)
Armando Diaz – Chief of Staff of the Italian Army (1917–1919)
Emanuele Filiberto – Commander of the Third Army through all 12 Battles of the Isonzo
Guglielmo Pecori Giraldi – Commander of the First Army (1916–1918)
Luigi Capello – Commander of several Army Corps and later the Second Army in 1917
Gaetano Giardino – Commander of several Army Corps and close advisor to Armando Diaz, stopped the Austrian Offensive in the Second Battle of the Piave River as commander of the Fourth Army (1918)
Mario Nicolis di Robilant – Commander of the Fourth Army (1915–1918) and Italian representative to the Allied Supreme War Council
Pietro Frugoni – Commander of the Second Army in the first four Battles of the Isonzo (1915–1916), later commanded the newly created Fifth Army
Enrico Caviglia – Commanded the XXIV Army Corps in the Eleventh Battle of the Isonzo and was later in command of the newly created Eight Army
Ernesto Mombelli – Italian commander on the Macedonian front
Sidónio Pais - President of Portugal (1917-1918). Prior to this, he seized power in a coup d'état in December 1917 and proclaimed himself President of the Revolutionary Junta (1917). Later appointed himself as Prime Minister of Portugal, and simultaneously held the posts of Harbiye Nazırı and Minister of Foreign Affairs (1917-1918) before being elected President
Afonso Costa – Prime Minister of Portugal (1915-1916, 1917) upon entry into war
António José de Almeida - Prime Minister of Portugal (1916-1917) and Minister of the Colonies (1916-1917)
José Norton de Matos – Harbiye Nazırı (1915-1917)
Vítor Hugo de Azevedo Coutinho - Minister of the Navy (1915-1917)
José António Arantes Pedroso[pt] - Minister of the Navy (1917)
Antonio Aresta Branco[pt] - Minister of the Navy (1917-1918)
José Carlos da Maia[pt] - Minister of the Navy (1918)
João do Canto e Castro - Minister of the Navy (1918)
Ernesto de Vilhena[pt] - Minister of the Colonies (1917)
João Tamagnini Barbosa - Minister of the Colonies (1917-1918)
Fernando Tamagnini de Abreu e Silva – Commander-in-Chief of the Portuguese Expeditionary Corps (1917–1918)
Tomás António Garcia Rosado – Commander-in-Chief of the Portuguese Expeditionary Corps (1918)
José Augusto Alves Roçadas – Commander of the Portuguese Forces in the South West Africa Campaign
José César Ferreira Gil – Commander of the Portuguese Forces in the East African Campaign
António Egas Moniz - Minister of Foreign Affairs (1918), later led the Portuguese delegation at the Paris Peace Conference
Hovhannes Kajaznuni – Prime Minister of Armenia
Andranik Ozanian – Commander in the Caucasus Campaign, never recognized the First Republic of Armenia and fought independently
Aram Manukian – Minister of Internal Affairs
Alexander Khatisian – Foreign Minister
Hovhannes Hakhverdyan – Defense Minister
Tovmas Nazarbekian – General and Commander-in-Chief of the Armenian Army