Francisco Dueñas (1810–1884) was President of El Salvador 13 May 1851 - 30 January 1852, 1852 - 1 February 1854 and 1 - 12 February 1856 and 26 October 1863 - 15 April 1871. He was a member of the Conservative Party.
| Preceded by José Félix Quirós (acting) |
President of El Salvador 1851–1852 |
Succeeded by José María San Martín (acting) |
| Preceded by José María San Martín (acting) |
President of El Salvador 1852–1854 |
Succeeded by Vicente Gómez (acting) |
| Preceded by José María San Martín |
President of El Salvador 1856 (acting) |
Succeeded by Rafael Campo |
| Preceded by Gerardo Barrios |
President of El Salvador 1863–1871 |
Succeeded by Santiago González |