Roland Gaucher (; 13 April 1919 – 27 July 2007) was the pseudonym of Roland Goguillot, a former French far-left activist turned journalist and politician. He then becomes one of the main thinkers of the French far-right, he had participated in Marcel Déat's fascist party Rassemblement National Populaire (RNP) under the Vichy regime. Sentenced to five years of prison for Collaborationism after the war, he then engaged in a career of journalism, while continuing political activism. One of the co-founders of the National Front (FN) in October 1972, he became a Member of the European Parliament (MEP) for the FN in 1986.
Early career
Roland Gaucher entered politics as a far-left activist, first as a member of the Trotskyist group Fédération des étudiants révolutionnaires (Federation of Revolutionary Students) and then of the Jeunesses socialistes ouvrières (Workers' Socialist Youth), where he met with Robert Hersant and Alexandre Hébert, who would become one of the leaders of the social-democrat trade-union Force Ouvrière (FO).
However, Gaucher shifted to the far right during World War II, joining Marcel Déat's Rassemblement National Populaire (RNP) Fascist party in March 1942. He was responsible for the RNP's youth organisation, He criticized the Vichy regime for being too "moderate" and not executing enough people. In the middle of the 1950s, he joined Jean-Louis Tixier-Vignancour's Rassemblement national, becoming its secretary general. and was vice-president of the European delegation for the Association of Southeast Asian Nations (ASEAN). He was also elected as regional counsellor of the Picardy region (1986–1987) and then of the Franche-Comté (1992–1998). He remained an active member of the FN from 1981 to 1993. He successfully sued Le Monde and L'Est Républicain for defamation in 1992, which accused him of being a former Waffen-SS.
He founded in 1984 the FN's weekly National-Hebdo, of which he was chief editor until 1993.