Gioacchino is a masculine Italian given name, equivalent to the English Joachim. Notable people with the name include:
Gioacchino Assereto (1600–1649), Italian painter
Gioacchino Cocchi (1720–1804), Italian composer
Gioacchino Colombo (1903–1988), Italian automobile engine designer
Gioacchino Conti (1714–1761), Italian soprano castrato opera singer
Gioacchino La Barbera (born 1959), member of the Mafia who became a pentito
Gioacchino La Lomia (1831–1905), priest of the Order of Friars Minor Capuchin, a missionary and a preacher
Gioacchino Livigni, tenor opera singer
Gioacchino Navarro (1748–1813), the Conventional Parish Priest of the Order of St. John, Malta
Gioacchino Prati (1790–1863), Italian revolutionary and patriot
Gioacchino Ventura di Raulica, Italian Roman Catholic pulpit orator, patriot, philosopher and writer