| Diego José Benavente | |
| Birth Date: | 1790 1, df=y |
| Birth Place: | Santiago, Viceroyalty of Peru |
| Death Place: | Santiago, Chile |
| Nationality: | Chilean |
| Office1: | President of the Senate of the Republic of Chile |
| Term Start1: | 5 June 1834 |
| Term End1: | 8 October 1834 |
| Successor1: | Diego Elizondo Prado |
| Term Start2: | 4 September 1844 |
| Term End2: | 4 June 1847 |
| Term Start3: | 3 June 1861 |
| Term End3: | 9 July 1862 |
| Term Start4: | 6 August 1849 |
| Term End4: | 9 July 1858 |
| Party: | Conservative Party |
| Occupation: | Politician |
Diego José Benavente Bustamante (born 1790–21 June 1867) was a Chilean politician who served as President of the Senate of Chile.