Ennio is a given name. Notable people with the name include:

People

Academics Ennio Candotti (1942–2023), Italy-born Brazilian physicist Ennio De Giorgi (1928–1996), Italian mathematician Ennio Quirino Visconti (1751–1818), Italian archaeologist

Clergy Ennio Antonelli (b. 1936), Italian Cardinal of the Roman Catholic Church Ennio Filonardi (1466–1549), Italian bishop and Cardinal of the Roman Catholic Church

Musicians Ennio Bolognini (1893–1979), Argentina-born US musician Ennio Morricone (1928–2020), Italian composer Ennio, a 2021 documentary about his life

Performers Ennio Balbo (1922–1989), Italian film actor Enio Girolami (1935–2013), Italian film and television actor Ennio Marchetto (b. 1960), Italian comedian

Others Ennio Capasa (b. 1960), Italian fashion designer Ennio De Concini (1923–2008), Italian screenwriter and film director Ennio Doris (1940–2021), Italian businessman Ennio Falco (b. 1968), Italian sports shooter Ennio Flaiano (1910–1972), Italian screenwriter, playwright and author Ennio Mattarelli (1928–2026), Italian sports shooter and Olympic Champion Ennio Torresan Jr. (b. 1963), Brazilian–American animator

Fictional characters "Ennio the Legend", also known as Spot, is a major supporting character in the computer game Tass Times in Tonetown "Ennio Salieri", often referred to as Don Salieri, a central character in the crime action adventure game Mafia: Definitive Edition, a game which is a remake of Mafia.

See also Ennius, the original Latin form of the name Ennius of East Anglia Einion, a Welsh form of the related Latin name Ennianus