| Mario Cámpora | |
| Birth Name: | Mario Alberto Cámpora |
| Birth Date: | 1930 8, df=y |
| Birth Place: | Mendoza, Argentina |
| Death Place: | Buenos Aires, Argentina |
| Office: | Argentine Ambassador to Belgium |
| Term Start: | 1995 |
| Term End: | 1999 |
| Office2: | Ambassador of Argentina to the United Kingdom |
| Term Start2: | 1990 |
| Term End2: | 1994 |
| Successor2: | Rogelio Pfirter |
| Office3: | Secretary of Foreign Affairs |
| Term Start3: | 1989 |
| Term End3: | 1990 |
| Predecessor3: | Juan Archibaldo Lanús |
| Successor3: | Juan Carlos Olima |
Mario Alberto Cámpora (3 August 1930 – 13 January 2022) was an Argentine diplomat. He served as Argentine Ambassador to the United Kingdom from 1990 to 1994 and to Belgium from 1995 to 1999.[1] Cámpora died in Buenos Aires on 13 January 2022, at the age of 91.[2]
He was a nephew of Héctor José Cámpora, a prominent Peronist leader who briefly served as president of Argentina in 1973.[3]