Giulio Macchi (Italian pronunciation: [ˈdʒuljo ˈmakki]; 1866–1935) was an Italian aeronautical engineer, the founder of Società Anonima Nieuport-Macchi (now Alenia Aermacchi).Macchi ran a small coachbuilder's works, Carrozzeria Fratelli Macchi (Macchi Brothers Coachworks), together with his brothers, before founding Società Anonima Nieuport-Macchi in Varese on May 1, 1913.