Marini is an Italian surname. Notable people with the surname include:
de:Girolamo Marini (Architekt) (died 1553) Italian renaissance architect
Giambattista Marini or Marino (1569-1625), Italian writer and poet
it:Giovanni Agostino De Marini Genoese (1572 - 1642) 105th Doge of Genoa also King of Corsica
Biagio Marini (ca. 1587-1663), Italian composer of violin sonatas
it:Francesco Maria Marini or De Marini (1630 - 1686) Genoese/Italian playwright and archbishop
Pietro Marini (1794 - 1863) Italian cardinal
Niccolò Marini (1843 - 1923) Italian cardinal and secretary of the Congregation for the Oriental Churches
Luigi Marini (1885–1942), Italian lyric tenor
Marino Marini (sculptor) (1901-1980), Italian sculptor
Marino Marini (musician) (1924-1997), Italian contemporary musician
Franco Marini (born 1933), Italian politician
Giovanna Marini (born 1937), Italian singer-songwriter
Piero Marini (born 1942), Italian archbishop
Lou Marini (born 1945), American saxophonist
Giacomo Marini (born 1951), Italian/American businessperson
Guido Marini (born 1965), Italian priest and current Master of Pontifical Liturgical Celebrations
Enrico Marini (born 1969), Swiss/Italian comic artist
Gilles Marini (born 1976), French/American actor and professional dancer
