Harmonia may refer to:

Antiquity

• Harmonia (mythology), the Greek goddess of harmony and concord
• Harmonia (3rd. ct.), daughter of Gelon, the son of Hieron II., king of Syracuse.

Biology

• Harmonia (genus), a genus of lady beetles

Concepts

• Harmonia (harmony), the natural state of being of all creatures according to Plato

Music

• Harmonia, a single by Rythem featured on the anime Naruto
• Harmonia (band), a 1970s German band
• Harmonia Ensemble, an Italian chamber music group
• Harmonia Sacra, a music textbook

Places

• 40 Harmonia, an asteroid
• Harmonia, Brazil, a city in the state of Rio Grande do Sul
• Harmonia (Suikoden), a fictional country in the Suikoden video game series

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