The French submarine Requin was the lead ship of the s built for the French Navy in the mid-1920s. Laid down in June 1922, it was launched in July 1924 and commissioned in May 1926. It was captured by Italian forces at Bizerte, Tunisia on 8 December 1942 and renamed FR 113. On 9 September 1943, it was recaptured by German forces. It was sold for scrap in Genes, Italy in 1944.
Design long, with a beam of and a draught of , Requin-class submarines could dive up to . The submarine had a surfaced displacement of and a submerged displacement of . Propulsion while surfaced was provided by two diesel motors and two electric motors. The submarines' electrical propulsion allowed it to attain speeds of while submerged and on the surface. Their surfaced range was at , and at , with a submerged range of at .
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