| Francisco Javier Jeón | |
| Office: | Interim President of Ecuador |
| Term Start: | 6 August 1875 |
| Term End: | 15 September 1875 |
| Predecessor: | Gabriel García Moreno |
| Successor: | José Javier Eguiguren |
| Office2: | Vice President of Ecuador |
| Term Start2: | 1869 |
| Term End2: | 1875 |
| President2: | Gabriel García Moreno |
| Predecessor2: | Pedro José de Arteta |
| Successor2: | Position vacant |
| Birth Name: | Francisco Javier Tomás León y Chiriboga |
| Birth Date: | 13 October 1832 |
| Party: | Conservative Party |
Francisco Javier León Franco (13 October 1832 – 10 August 1880) was Vice President of Ecuador in the administration of Gabriel García Moreno from 1869 to 1875,[1] and acting President of Ecuador 6 August 1875 to 6 October 1875. He was President of the Chamber of Deputies in 1865.