Marescotti is a surname. Notable people with the surname include:
Bartolomeo Marescotti (c. 1590–1630), Italian painter Claudio Marescotti (1520–1590), Italian Roman Catholic bishop Galeazzo Marescotti (1627–1726), Italian Roman Catholic cardinal Giovanni Luigi Marescotti (died 1587), Italian Roman Catholic bishop Ivano Marescotti (1946–2023), Italian actor Luigi Aldrovandi Marescotti (1876–1945), Italian politician and diplomat Marco Antonio Marescotti (died 1681), Italian Roman Catholic bishop Pietro Abbati Marescotti (1768–1842), Italian mathematician