Marchesi is a surname. Notable people with the surname include:
Marchesi (title), or Marquess Blanche Marchesi (1863–1940), French opera singer and teacher, daughter of Mathilde Marchesi Concetto Marchesi (1878–1957), Italian politician Gerald Marchesi (1928–1990), Australian rules footballer Gualtiero Marchesi (1930–2017), Italian chef Louis Marchesi (1898–1968), founder of the Round Table Luigi Marchesi (disambiguation), multiple people Marcello Marchesi (1912–1978), Italian comic writer and director Mathilde Marchesi, née Graumann (1821–1913), German opera singer and teacher Pompeo Marchesi (1783–1858), Italian sculptor Rino Marchesi (1937–2026), Italian footballer and manager Tommaso Marchesi (1773–1852), Italian composer