| Manuel Allendesalazar | |
| Honorific-Prefix: | The Most Excellent |
| Office: | Prime Minister of Spain |
| Term Start: | 13 March 1921 |
| Term End: | 14 August 1921 |
| Successor: | Antonio Maura |
| Monarch2: | Alfonso XIII |
| Term Start2: | 12 December 1919 |
| Term End2: | 5 May 1920 |
| Predecessor2: | Joaquín Sánchez de Toca |
| Successor2: | Eduardo Dato |
| Office3: | President of the Senate of Spain |
| Term Start3: | 23 June 1919 |
| Term End3: | 15 December 1919 |
| Predecessor3: | Alejandro Groizard |
| Successor3: | Joaquín Sánchez de Toca |
| Birth Name: | Manuel Allendesalazar y Muñoz de Salazar |
| Birth Date: | 24 August 1856 |
| Birth Place: | Guernica, Spain |
| Death Place: | Madrid, Spain |
| Nationality: | Spanish |
| Party: | Conservative Party |
| Father: | Manuel María Allendesalazar y Loyzaga |
| Mother: | Ángela Muñoz de Salazar y Martorell |
| Spouse: | María de los Ángeles Bernar y Llácer |
| Children: | María de la Concepción de Allendesalazar y Bernar |
| Occupation: | Agricultural engineer |
Don Manuel Allendesalazar y Muñoz de Salazar (24 August 1856 - 17 May 1923) was a Spanish noble and politician who served two terms as Prime Minister of Spain during the reign of King Alfonso XIII.
Allendesalazar was born in Guernica. He occupied other political offices such as Minister of State and Mayor of Madrid. He died in Madrid on May 17, 1923.[1]
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