| Manuel Allendesalazar | |
| Honorific-Prefix: | The Most Excellent |
| Order: | Prime Minister of Spain |
| Term Start: | 1919 |
| Term End: | 1920 |
| Predecessor: | Joaquín Sánchez de Toca |
| Successor: | Eduardo Dato |
| Monarch2: | Alfonso XIII |
| Term Start2: | 1921 |
| Term End2: | 1921 |
| Predecessor2: | Eduardo Dato |
| Successor2: | Antonio Maura |
| Order3: | President of the Spanish Senate |
| Term Start3: | 1919 |
| Term End3: | 1921 |
| 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: | Partido Liberal-Conservador |
| 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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