| Modesto Cortázar | |
| Office: | Prime Minister of Spain |
| Term Start: | 28 August 1840 |
| Term End: | 11 September 1840 |
| Predecessor: | Valentín Ferraz |
| Successor: | Vicente Sancho |
| Birthname: | Modesto Cortázar y Leal de Ibarra |
| Nationality: | Spanish |
| Honorific Prefix: | The Most Excellent |
Modesto Cortázar y Leal de Ibarra (15 June 1783, in Briviesca (Burgos) – 25 January 1862, in Madrid) was a Spanish politician and Prime Minister.[1]
Cortázar was a member of the Progressive Party in Spain.
When the government of Valentín Ferraz y Barrau fell on 28 August 1840, he was appointed by Regent María Cristina de Borbón to form a government in which he became acting Prime Minister and also held the post of Minister of Justice. After 2 weeks, he was replaced by Vicente Sancho y Cobertores.
During the Década Moderada, he became in January 1847 President of the Congress of Deputies and in September 1847 Foreign minister in the cabinet of Florencio García Goyena.