Louis Marie Joseph Etienne Rollin (; 27 March 1879 – 3 November 1952) was a French politician who was a minister in several cabinets in the period between the two world wars.
Rollin was Minister of Merchant Marine in two successive governments of André Tardieu between 3 November 1929 and 12 December 1930. He authorized construction of the liner SS Normandie, which became the pride of the French passenger fleet. Rollin was a member of three cabinets led by Pierre Laval between 27 January 1931 and 20 February 1932 as Minister of Commerce and Industry . After the fall of the Laval government he was Minister of Commerce, Posts, Telegraphs and Telephones in the cabinet of André Tardieu from 20 February to 3 June 1932. He was Minister of Colonies from 13 October 1934 to 24 January 1936 in the successive governments of Gaston Doumergue, Pierre-Étienne Flandin, Fernand Bouisson and Pierre Laval.
During 1933 and 1934 Rollin was among those who worked hard to find places at French universities for Jewish scholars fleeing Nazi persecution in Germany. In 1938 he petitioned the government to stop jailing Jewish refugees on the grounds that it was counterproductive and inhumane. In the spring of 1939, he pleaded with the government to implement the amnesty plan under which Jewish refugees could "reconstruct their lives on a dignified and stable foundation ... in France or elsewhere."
Rollin returned from Vichy to occupied Paris on 30 July 1940. He came into contact with the French Resistance group Ceux de la Libération-Vengeance, and transmitted military intelligence to the allies with the aid of the engineer Pierre Schnell, who had a secret transmitter. As a councilor of Paris he obtained false papers and lodgings for escaped prisoners, resistance fighters whom the authorities were seeking and Jews. He hid weapons, and hosted "Colonel Rémy" (Gilbert Renault), deputy head of the Marco Polo network.
On 21 April 1944 Rollin and all others who voted for Pétain on 10 July 1940 were made ineligible to sit in parliament. On 24 April 1945 a jury of honor chaired by René Cassin found against him since he could not provide evidence of his activity during the German occupation. On 29 April 1945 Rollin was reelected councilor for the Seine. The election was challenged and a new jury of honor heard his case. This time Paul Reynaud, who had returned from Germany, spoke in his favor, as did Pierre Schnell, and the jury decided to remove his ineligibility.
| Entente républicaine démocratique |
| Républicains de gauche |
| Républicains de gauche |
| Députés du centre républicain |
| Alliance of Républicains de gauche and Radicaux indépendants |
| Parti républicain de la liberté |
| Parti républicain de la liberté |
| Républicains indépendants |
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