Maschio (Italian, 'male' or 'castle keep') is an Italian surname. People with this surname include:
Aurelius Maschio (died 1996), Italian priest and missionary in India Francisco Maschio (born 1890s), Argentinian horse race trainer Giovanni Maschio (born 2006), Italian racing driver Humberto Maschio (born 1933), Italian Argentine footballer Mickaël Maschio (born 1973), French motocross racer Robert Maschio (born 1966), American actor
See also "Maschio" (song), a 2025 song by Annalisa
Ciao maschio, a 1978 Italian-French film Nebbieul Maschio, a grape variety Maschio Angioino, a castle in Naples, Italy