CLISSON, a town of western France, in the department of Loire-Inf erieure, 17 m. S.E. of Nantes, at the confluence of the Sevre and the Moine, both of which are crossed by old bridges. Pop. (1931) 2,237. The town gave its name to the celebrated family of Clisson, of which the most famous member was Olivier de Clisson. It has the imposing ruins of their stronghold, parts of which date from the 13th century. The town and castle were destroyed in 1792 and 1793 during the Vendean wars, but the town was rebuilt shortly afterwards.