Maggi is both a surname and a given name. Notable people with the name include:
Surname:
Blairo Maggi (born 1956), Brazilian politician and businessman, owner of the André Maggi Group, governor of Mato Grosso.
Girolamo Maggi (c. 1520–1572), Italian scholar, jurist, poet, military engineer, urban planner, philologist, archaeologist, mathematician, and naturalist
Julius Maggi (1846–1912), founder of Nestlé's Maggi
Leopoldo Maggi, (1840–1905), Italian physician, craniologist and naturalist
Maurren Maggi (born 1976), Brazilian athlete.
Maria Maggi, a pseudonym used to conceal the identity of the corpse of Maria Eva Duarte de Peron while interred in Italy from 1955 to 1971
Given name:
Maggi Hambling (born 1945), British painter and sculptor.
Maggi Parker (born 1934), American actress
Maggi Payne (born 1945), American composer, flutist, and video artist