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Look up Massei in Wiktionary, the free dictionary.
Massei is a surname. Notable persons with that surname include:
- Joe Massei (1899 – 1971), American gangster of Italian-Irish origins
- Girolamo Massei (c. 1530 – c. 1614), Italian Mannerist painter active mostly in Rome
- Oscar Massei (born 1934), Argentine retired professional football