Delio may refer to:

• Delio Caron (born c. 1924), Italian rugby player
• Délio dos Santos (died 2020), Brazilian politician
• Delio Fernández (born 1986), Spanish cyclist
• Delio Gamboa (1936–2018), Colombian footballer
• Delio Hernández Valadés (born 1956), Mexican politician
• Delio Morollón (1937–1992), Spanish footballer
• Delio Rodríguez (1916–1994), Spanish road racing cyclist and sprinter
• Delio Rossi (born 1960), Italian football manager and former footballer
• Delio Onnis (born 1948), Italian-Argentine footballer
• Delio Tessa (1886–1939), Italian poet
• Delio Toledo (born 1976), Paraguayan footballer

• Michelle Delio, American journalist and writer
• Thomas DeLio (born 1951), American experimental music composer

• Delio Lake, is a lake in the Province of Varese, Lombardy, Italy

This disambiguation page lists articles associated with the title Delio.
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