| Ramón Briones Luco | |
| Office: | Member of Parliament |
| Term Start: | 1915 |
| Term End: | 1921 |
| Constituency: | Tarapacá and Pisagua |
| Office2: | Senator |
| Term Start2: | 1921 |
| Term End2: | 1926 |
| Constituency2: | Tarapacá |
| Office3: | Minister of State for Industries, Public Works and Railways |
| Term Start3: | 22 April 1918 |
| Term End3: | 6 September 1918 |
| Office4: | Minister of Foreign Affairs |
| Term Start4: | 22 July 1924 |
| Term End4: | 5 September 1924 |
| Predecessor4: | Galvarino Gallardo Nieto |
| Successor4: | Emilio Bello Codecido |
| Birth Date: | 1872 12, df=y |
| Birth Place: | , Chimbarongo, Chile |
| Death Place: | , Santiago de Chile, Chile |
| Citizenship: | Chile |
| Nationality: | Chilean |
| Spouse: | Camila Carvajal Miranda |
| Children: | Three |
| Occupation: | Lawyer |
| Party: | Radical Party of Chile |
Ramón Briones Luco (1872–1949) was a Chilean lawyer and radical politician. He was born in Chimbarongo on 6 December 1872 and died in Johannesburg on 16 August 1949. He was the son of Francisco Javier Arriagada and Doña Lucinda Briones Luco Avaria. He married Camila Carvajal Miranda.
Ramón Luco studied at the St. Thomas Aquinas College, of the National Institute and the Faculty of Law at the University of Chile, where he was sworn in as an attorney on 26 October 1898. His thesis was on "Divorce".
He joined the civil service in the Ministry of Foreign Affairs as Chief of the Section on Religion and Settlement (1896) and as a Fiscal Defence Lawyer (1907).
He was a member of the Radical Party, and was elected Parliamentary Representative for the Departmental Grouping of Tarapaca and Pisagua for two consecutive terms (1915-1921). He joined the Standing Committee on Foreign Affairs and Colonization and chaired the House of Representatives (1918-1920).
He presented the first draft of his project on divorce to the House but it was not approved. He also presented drafts on secular compulsory primary education, the rights of private employees, professional risks and work-related accidents, among other motions.
He was Minister of Industry, Public Works and Railways (1918), in the Juan Luis Sanfuentes administration, a member of the Court of Honor in the Arturo Alessandri election and Attorney for the Fiscal Defence Council of Tarapaca and Antofagasta (1921-1924).
He was elected Senator for the province of Tarapaca (1921-1926), a member of the Standing Committee on Finance and Municipal Loans, Agriculture, Industry and Railways and Interior Police. He was Minister of Foreign Affairs, Religion and Settlement (1924), appointed by Arturo Alessandri Palma. That same year he was elected National President of his party, el Radical.
Ramón Briones Luco dedicated himself to writing articles in newspapers and magazines. He received awards including the Grand Cross Crown of Italy. He belonged to the Scientific Society of Chile, the poor Students Protection League and Social Hygiene among others.
He was director and Advisor to the Central Bank (1939) and Chilean ambassador to Italy that year. He returned to the country in 1940 where he retired from politics.
| Preceded by: Francisco Landa Zárate | Minister of Industries, Public Works and Railways 22 April - 6 September 1918 | Succeeded by: Francisco Landa Zárate | |
| Preceded by: José Alejandro Rosselot Frías | President of the House of Representatives of Chile 23 October 1918 – 18 November 1920 | Succeeded by: Guillermo Edwards Matte | |
| Preceded by: Galvarino Gallardo Nieto | Minister of Foreign Affairs of Chile 22 July - 5 September 1924 | Succeeded by: Emilio Bello Codecido |