List of state leaders in 1905
1904 state leaders - Events of 1905 - 1906 state leaders - State leaders by year
Africa
- Egypt -
- Ethiopia - Menelik II, Emperor of Ethiopia (1889–1913)
- Liberia - Arthur Barclay, President of Liberia (1904–1912)
- Morocco -
- Monarch - Abd al-Aziz, Sultan of Morocco (1894–1908)
- Grand Vizier - Muhammad al-Mufaddal bin Muhammad al-Garit, Acting Grand Vizier of Morocco (1901–1906)
- Tunis -
- Monarch - Muhammad al-Hadi, Bey of Tunis (1902–1906)
- Grand Vizier - Mohamed Aziz Bouattour, Grand Vizier of Tunis (1883–1907)
- French Resident-General - Étienne Pichon, French Resident-General in Tunis (1901–1907)
- Zanzibar -
- Monarch - Ali ibn Hamoud, Sultan of Zanzibar (1902–1911)
- Grand Vizier - A.S. Rogers, Grand Vizier of Zanzibar (1901–1906)
- British Consul-General - Basil Cave, British Consul-General in Zanzibar (1904–1908)
Asia
Australia and Oceania
Europe
- Andorra
- Co-Princes -
- First Syndic - Bonaventura Maestre, First Syndic of Andorra (1902–1905)
- Austria-Hungary
- Belgium
- Denmark
- France -
- German Empire -
- Greece
- Italy
- Luxembourg
- Montenegro
- Netherlands
- Norway
- Ottoman (Turkish) Empire
- Portugal
- Romania
- Russia
- Serbia
- Spain
- Sweden -
- Switzerland
- United Kingdom
North America and Caribbean
- Canada
- Costa Rica - Ascensión Esquivel Ibarra, President of Costa Rica (1902–1906)
- Cuba - Tomás Estrada Palma, President of Cuba (1902–1906)
- Dominican Republic - Carlos Felipe Morales, President of the Dominican Republic (1903–1906)
- El Salvador - Pedro José Escalón, President of El Salvador (1903–1907)
- Guatemala - Manuel Estrada Cabrera, President of Guatemala (1898–1920)
- Haiti - Pierre Nord Alexis, President of Haiti (1902–1908)
- Honduras - Manuel Bonilla, President of Honduras (1903–1907)
- México: Porfirio Díaz, President of Mexico (1884–1911)
- Nicaragua - José Santos Zelaya, President of Nicaragua (1893–1909)
- Panama - Manuel Amador Guerrero, President of Panama (1904–1908)
- United States - Theodore Roosevelt, President of the United States (1901–1909)
South America
- Argentina: Manuel A. Quintana, President of Argentina (1904–1906)
- Bolivia: Ismael Montes, President of Bolivia (1904–1909)
- Brazil: Francisco de Paula Rodrigues Alves, President of Brazil (1902–1906)
- Chile: Germán Riesco, President of Chile (1901–1906)
- Colombia: Rafael Reyes, President of Colombia (1904–1909)
- Ecuador:
- Leónidas Plaza, President of Ecuador (1901–1905)
- Lizardo García, President of Ecuador (1905–1906)
- Paraguay:
- Juan Bautista Gaona, Provisional President of Paraguay (1904–1905)
- Cecilio Báez, Provisional President of Paraguay (1905–1906)
- Peru: José Pardo y Barreda, President of Peru (1904–1908)
- Uruguay - José Batlle y Ordóñez, President of Uruguay (1903–1907)
- Venezuela: Cipriano Castro, President of Venezuela (1899–1908)