Masi is a surname. Notable people with the surname include:
*
Alberto Masi
Alberto Masi (born 2 September 1992) is an Italian footballer who plays as a defender.
Club career Sampdoria
Born in Genoa, Liguria region, Masi started his career at Serie A club U.C. Sampdoria. He was the member of U17 youth team during the ...
(born 1992), Italian footballer
* Alex Masi, Italian musician
* Andrea Masi, Italian rugby player
* Andy Masi, American entrepreneur, real estate developer, and business executive
* Angela Masi (born 1987), Italian politician
* Aristides Masi (born 1977), former Paraguayan footballer
* Binta Masi Garba (born 1967), Nigerian politician, businesswoman and administrator
* Denis Masi (born 1942), British artist
* Esala Masi (born 1974), retired Fijian footballer
* Fabio De Masi (born 1980), German politician
* Federico Masi (born 1990), Italian footballer
* Francesco De Masi, Italian musician
* Gianluca Masi, Italian astrophysicist
* Giuseppe Di Masi (born 1981), Italian footballer
* Julie Masi, Canadian musician
* Kitso Masi (born 1984), Motswana actor
* Lance de Masi (born 1949), president of the American University in Dubai
* Manoa Masi (born 1974), former Fijian professional footballer
* Mattia Masi (born 1984), Sammarinese footballer
* Michael Masi (born 1978), former Formula One race director.
* Phil Masi, American baseball player
* Reni Masi (born 1933 or 1934), former Canadian politician
* Sébastien Masi, French Michelin-starred head chef in Ireland
* Seraphim Masi (1797–1884), American silversmith
{{surname, Masi