Dio is the Italian word for God. It may also refer to:
Dionysus (/daɪ.əˈnaɪsəs/; Greek: Διόνυσος, Dionysos) is the god of the grape harvest, winemaking and wine, of ritual madness, fertility, theatre and religious ecstasy in ancient Greek religion and myth.
In electronics, a diode is a two-terminal electronic component that conducts primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance to the flow of current in one direction, and high (ideally infinite) resistance in the other.
Diocletian (/ˌdaɪ.əˈkliːʃən/; Latin: Gaius Aurelius Valerius Diocletianus Augustus), born Diocles (244–312), was a Roman emperor from 284 to 305. Born to a family of low status in the Roman province of Dalmatia, Diocletian rose through the ranks of the military to become cavalry commander to the Emperor Carus.
Dionne Warwick (/ˈdiːɒn ˈwɔːrwɪk/) (born Marie Dionne Warrick; December 12, 1940) is an American singer, actress and TV-show host, who became a United Nations Global Ambassador for the Food and Agriculture Organization, and a United States Ambassador of Health.
Diogenes (/daɪˈɒdʒəˌniːz/; Greek: Διογένης, Diogenēs [di.oɡénɛ͜ɛs]) was a Greek philosopher and one of the founders of Cynic philosophy.
Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio, after he left Black Sabbath with intentions to form a new band with fellow former Black Sabbath member, drummer Vinny Appice.
The word diocese is derived from the Greek term διοίκησις meaning "administration". When now used in an ecclesiastical sense, it refers to a territorial unit of administration.
Diosdado Pangan Macapagal (September 28, 1910 – April 21, 1997) was the ninth President of the Philippines, serving from 1961 to 1965, and the sixth Vice-President, serving from 1957 to 1961. He also served as a member of the House of Representatives, and headed the Constitutional Convention of 1970. He is the father of Gloria Macapagal-Arroyo, who was the 14th President of the Philippines from 2001 to 2010.
Dion Francis DiMucci (born July 18, 1939), better known mononymously as Dion, is an American singer-songwriter whose work has incorporated elements of doo-wop, rock and R&B styles—and, most recently, straight blues.