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).

Julio Durán
Senator of the Republic
In office
4 March 1957 – 12 September 1973
ConstituencyBío Bío, Malleco, Cautín
Deputy of the Republic
In office
5 March 1945 – 3 March 1957
Personal details
Born(1918-03-20)20 March 1918
Traiguén, Chile
Died27 November 1990(1990-11-27) (aged 72)
Richmond, Virginia, United States
Political partyRadical Party
(1938–1969)
Radical Democracy
(1969–1973; 1989–1990)
SpouseMaría Gertrudis Salazar Navarro
Children2
Alma materUniversity of Chile
ProfessionLawyer, farmer, politician