". More than once, this has caused embarassing errors among foreign authorities.
List of Spanish Prime ministers
| Head of State | From | Prime Minister | 
| King Alfonso XIII | 1902 | Práxedes Mateo Sagasta[?] Escolar | 
|  | 1902 | Francisco Silvela[?] y le Vielleuze | 
|  | 1903 | Raimundo Fernández[?] Villaverde | 
|  | 1903 | Antonio Maura[?] y Montaner | 
|  | 1904 | Marcelo de Azcárraga[?] y Palmero | 
|  | 1905 | Raimundo Fernández Villaverde | 
|  | 1905 | Eugenio Montero[?] Ríos | 
|  | 1905 | Sigismundo Moret[?] y Prendergast | 
|  | 1906 | José López[?] Domínguez | 
|  | 1906 | Sigismundo Moret y Prendergast | 
|  | 1906 | Antonio Aguilar y Correa, Marqués de la Vega de Armijo[?] | 
|  | 1907 | Antonio Maura[?] y Montaner | 
|  | 1909 | Sigismundo Moret y Prendergast | 
|  | 1910 | José Canalejas[?] y Méndez | 
|  | 1912 | Manuel García Prieto, marqués de Alhucemas[?] | 
|  | 1912 | Álvaro Figueroa y Torres Mendieta, conde de Romanones[?] | 
|  | 1913 | Eduardo Dato[?] y Iradier | 
|  | 1915 | Álvaro Figueroa y Torres Mendieta, conde de Romanones | 
|  | 1917 | Manuel García Prieto, marqués de Alhucemas[?] | 
|  | 1917 | Eduardo Dato[?] y Iradier | 
|  | 1917 | Manuel García Prieto, marqués de Alhucemas | 
|  | 1918 | Antonio Maura y Montaner | 
|  | 1918 | Manuel García Prieto, marqués de Alhucemas | 
|  | 1918 | Álvaro Figueroa y Torres Mendieta, conde de Romanones | 
|  | 1919 | Antonio Maura y Montaner | 
|  | 1919 | Joaquín Sánchez[?] de Toca Calov | 
|  | 1919 | Manuel Allendesalazar Muñoz de Salazar[?] | 
|  | 1920 | Eduardo Dato y Iradier | 
|  | 1921 | Manuel Allendesalazar Muñoz de Salazar | 
|  | 1921 | Antonio Maura y Montaner | 
|  | 1922 | José Sánchez Guerra[?] y Martínez | 
|  | 1922 | Manuel García Prieto, marqués de Alhucemas[?] | 
|  | 1923 | Miguel Primo de Rivera[?] y Orbaneja, marqués de Estella y de Ajdir | 
|  | 1930 | Dámaso Berenguer y Fusté, conde de Xauen[?] | 
|  | 1931 | Juan Bautista Aznar-Cabañas[?] | 
| Niceto Alcalá Zamora[?] | 1931 | Niceto Alcalá Zamora[?] | 
| Manuel Azaña[?] | 1931 | Manuel Azaña | 
| Niceto Alcalá Zamora | 1931 | Manuel Azaña | 
|  | 1933 | Alejandro Lerroux[?] García | 
|  | 1933 | Diego Martínez Barrio[?] | 
|  | 1933 | Alejandro Lerroux García | 
|  | 1934 | Ricardo Samper[?] Ibañez | 
|  | 1934 | Alejandro Lerroux García | 
|  | 1935 | Joaquin Chapaprieto[?] | 
|  | 1935 | Manuel Portela[?] Valladares | 
|  | 1936 | Manuel Azaña | 
| Manuel Azaña | 1936 | Santiago Casares Quiroga[?] | 
|  | 1936 | José Giral[?] Pereira | 
|  | 1936 | Francisco Largo Caballero[?] | 
|  | 1937 | Juan Negrín[?] López | 
| Francisco Franco | 1939 | Francisco Franco | 
|  | 1973 | Luis Carrero Blanco[?] | 
|  | 1974 | Carlos Arias Navarro[?] | 
| Juan Carlos I of Spain | 1975 | Carlos Arias Navarro | 
|  | 1976 | Adolfo Suárez[?] González | 
|  | 1981 | Leopoldo Calvo Sotelo[?] y Bustelo | 
|  | 1982 | Felipe González[?] Márquez | 
|  | 1996 | José María Aznar López |