| Francisco Javier de Istúriz | |
| Order: | Prime Minister of Spain |
| Term Start: | 15 May 1836[1] |
| Term End: | 14 August 1836[2] |
| Predecessor: | Juan Álvarez Mendizábal |
| Successor: | José María Calatrava |
| Monarch2: | Isabella II |
| Term Start2: | 5 April 1846[3] |
| Term End2: | 28 January 1847 |
| Predecessor2: | Ramón María Narváez |
| Successor2: | Duke of Sotomayor |
| Monarch3: | Isabella II |
| Term Start3: | 14 January 1858[4] |
| Term End3: | 30 June 1858 |
| Predecessor3: | Francisco Armero |
| Successor3: | The Count of Lucena |
| Birth Date: | 31 October 1785 |
| Birth Place: | Cádiz, Spain |
| Death Date: | 2 April 1871 (aged 80) |
| Death Place: | Madrid |
| Party: | Realista Moderado |
| Honorific-Prefix: | The Most Excellent |
Francisco Javier de Istúriz y Montero (31 October 1785 in Cádiz[5] – 2 April 1871 in Madrid[6]) was a Spanish politician and diplomat who served as the Prime Minister of Spain.[7] He also served as the President of the Senate and President of the Congress of Deputies several times.
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