| Office: | Minister of Social Affairs |
| Primeminister: | Fouad Siniora |
| Predecessor: | Nayla Mouawad |
| Successor: | Salim Sayegh |
| Term Start: | July 2008 |
| Term End: | November 2009 |
| Birth Place: | Damour, Lebanon |
| Party: | Free Patriotic Movement (until September 2022) |
| Alma Mater: | University of Bordeaux |
| Nationality: | Lebanese |
Mario Aoun (born 1951) is a Lebanese physician and politician. He was a member of the Free Patriotic Movement (FPM) led by Michel Aoun. He was the minister of social affairs between 2008 and 2009.
Aoun was born into a Maronite family in Damour in 1951.[1] [2] He is a graduate of the University of Bordeaux and received a medical degree in endocrinology and metabolic illnesses in 1982.[1]
Aoun was the chief of service at Lebanese Hospital in Jeitawi in 2004.[1] He also worked at St. Charles Hospital in 2004.[1] In addition, he was FPM’s coordinator in Damour.[1] Later he became the first FPM head of the Lebanese Order of Physicians on 31 May 2004.[3] He served there until 2007. In July 2008, Aoun was appointed minister of social affairs to the cabinet led by Prime Minister Fouad Siniora and replaced Nayla Mouawad in the post.[4] Aoun ran for a seat from the Chouf district in the general elections of 2009, but he could not win the election.[5] Aoun's tenure as social affairs minister ended in November 2009, and he was succeeded by Salim Sayegh in the aforementioned post.[6]
In the 2018 elections Aoun won one of the Maronite seats in the Chouf District within the electoral district of Mount Lebanon IV.[7] On 10 September 2022, he resigned from the FPM because of his clash with Gebran Bassil.