Henri François Joseph Vieuxtemps (Pronounced: ɑ̃ʁi fʁɑ̃swa ʒɔzɛf vjøtɑ̃) (17 February 1820 – 6 June 1881) was a Belgian composer and violinist. He occupies an important place in the history of the violin as a prominent exponent of the Franco-Belgian violin school during the mid-19th century. He is also known for playing upon what is now known as the Vieuxtemps Guarneri del Gesu, a violin of superior workmanship.