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Fidelio

OriginLatin
Meaning"faithful"
US RankUnranked

Below 5 births

About Fidelio

Fidelio is a masculine name with Latin origins stemming from 'fidelis,' meaning 'faithful' or 'loyal.' The name gained cultural recognition through Beethoven's only opera, 'Fidelio,' which tells a story of devotion and heroism. This association lends the name an artistic and classical sensibility. Though uncommon in most English-speaking countries, Fidelio has more presence in Italian, Spanish and Portuguese-speaking regions. Parents choosing this name often appreciate its musical connection, strong meaning, and distinctive quality. The name conveys ideals of trustworthiness and commitment while having a melodious, romantic sound that sets it apart from more common masculine names.

Pronounced fi-DAY-lee-oh.

As of October 2026, Fidelio ranked #3641 for boys in US births in 1955 SSA.

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Fidelio in pop culture

  • Fidelio Gunn

    character in Jenny Nimmo's "The Children of the Red King" series

  • Fidelio

    the only opera by Beethoven, which tells how Leonore, disguised as a prison guard named "Fidelio," rescues her husband Florestan from death in a political prison.

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