| Mariano Riva Palacio | |
| Office: | Governor of the State of Mexico |
| Term Start: | 29 September 1869 |
| Term End: | 18 October 1870 |
| Predecessor: | Antonio Zimbrón |
| Successor: | Valentín Gómez Tagle |
| Term Start2: | 6 January 1857 |
| Term End2: | 4 July 1857 |
| Predecessor2: | Plutarco González |
| Successor2: | Francisco Iturbe |
| Term Start3: | 31 August 1849 |
| Term End3: | 3 May 1852 |
| Predecessor3: | Mariano Arizcorreta |
| Successor3: | Luis Madrid |
| Office4: | Minister of Finance |
| Term Start4: | June 1848 |
| Term End4: | August 1848 |
| Office5: | Minister of Justice |
| Term Start5: | 1851 |
| Term End5: | 1851 |
| Birth Date: | 4 November 1803 |
| Death Date: | 20 February 1880 |
| Death Place: | Mexico City, Mexico |
| Profession: | Lawyer |
Mariano Riva Palacio (1803 - 1880) was a Mexican politician and lawyer during most of the 19th century.
He was born in Mexico City to Esteban de la Riva Palacio and Doña María Dolores Díaz[1] and married Dolores Guerrero, daughter of Gen. Vicente Guerrero, one of the most prominent leaders of the Mexican Independence War.[1] With Maria he had 6 children, including the politician and writer Vicente Riva Palacio and daughter Maria Rosa Riva Palacio, who would go on to marry Mexican General and Politician, Ignacio Zaragoza. Mariano served as a City Councilor for Mexico City (1829), federal congressman (1833), Minister of Justice (1851), Minister of Finance (June - August 1848) and was elected thrice Governor of the State of Mexico (1849, 1857, 1871).[1]
He was also the lawyer appointed to defend the deposed Emperor Maximilian.