Charles Laure Hugues Théobald, duc de Choiseul-Praslin (29 June 1805 – 24 August 1847) was a French nobleman and politician, who served as a member of the Chamber of Deputies in 1838–1842. Choiseul-Praslin's suicide, occurring while he faced trial for the murder of his wife, the Duchess de Choiseul-Praslin (née Fanny Sébastiani), caused a scandal which in turn contributed to the outbreak of the 1848 Revolution and the fall of the July Monarchy.