| Julio Durán | |
| Office: | Senator of the Republic |
| Constituency: | Bío Bío, Malleco, Cautín |
| Term Start: | 4 March 1957 |
| Term End: | 12 September 1973 |
| Office1: | Deputy of the Republic |
| Term Start1: | 5 March 1945 |
| Term End1: | 3 March 1957 |
| Birth Date: | 1918 3, df=yes |
| Birth Place: | Traiguén, Chile |
| Death Place: | Richmond, Virginia, United States |
| Party: | Radical Party Radical Democracy |
| Profession: | Lawyer, farmer, politician |
| Alma Mater: | University of Chile |
| Spouse: | María Gertrudis Salazar Navarro |
| Children: | 2 |
Julio Antonio Gastón Durán Neumann (20 March 1918 – 27 November 1990), was a Chilean lawyer and politician. He ran for President in 1964 against Eduardo Frei Montalva and Salvador Allende. He was a member of the Radical Democracy Party, which advocated ideas taken from Classical liberalism and Radicalism. Duran was a State Deputy (1945–1957) and State Senator (1957–1973).