Dio

♂ Boy

Pronounced DEE-oh /ˈdi.oʊ/High

Meaning: From Latin/Italian dio, 'god'; also a short form of names like Diego, Dion, or Dionysius (devoted to Dionysus)Medium

In 30 seconds: 'God' in two bright syllables: Dio is the Italian word for the divine, and a punchy short form of Diego or Dion. Rock-legend cool (Ronnie James Dio) meets ancient roots.

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Origin MediumLatin, Italian

MeaningFrom Latin/Italian dio, 'god'; also a short form of names like Diego, Dion, or Dionysius (devoted to Dionysus)

U.S. rank (2025)#5256 ↘ Falling

2025 U.S. births18 boys (0.00% of U.S. boys)

Peak year2021

Total births (all-time)≈ 245

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Dio comes from Latin/Italian dio, 'god', and serves as a short form of names like Diego, Dion, or Dionysius ('devoted to Dionysus'). It is also a historic surname (the Roman historian Cassius Dio). Crisp and bold, with rock-legend flair (Ronnie James Dio).

It registers thinly in recent records. Rare, divine at the root, and punchy.

Did you know? Dio means 'god' in Italian — and rock singer Ronnie James Dio (who popularized the 'devil horns' hand sign) made the name a heavy-metal legend.

Overall data confidence 68%

Behind the Name — Dio references — etymology

Variations

DionDiegoDios

Nicknames

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Famous Bearers

★Ronnie James Dio (1942-2010)
American heavy metal singer known mononymously as Dio

If you like Dio…

Dion— a fellow Di- name it can shorten

Diego— the name it can short-form

Leo— a companion short bold name

Theo— another 'god'-rooted short name

Explore names like Dio

By themelatin italian short-and-sweet

By meaningGod / Divine

All themes →All meanings →All origins →

Frequently Asked

What does the name Dio mean?

Dio is Italian for 'god', and a short form of names like Diego, Dion, or Dionysius.

How do you pronounce Dio?

It's said DEE-oh /ˈdi.oʊ/ — two syllables, stress on the first.

Is Dio a boy or girl name?

Dio is a boy's name.

How popular is Dio?

Dio is a rare name in the U.S.