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What does Fidelio mean?

Fidelio Pronunciation of Fidelio [fi-de-lio] as a boys' name is a Latin name, and the name Fidelio means "faithful". Fidelio is an alternate form of Fidel (Latin): from the Latin names Fidelis.

Associated with: faithful.


Fidelio has 5 variants: Fadelio, Fedelio, Fidalio, Fidello and Fidelo.

6 more different relations via Fidel: Fedele, Fidal, Fidele, Fidelis, Fidelix and Fido.

Creative forms:
(male) Fideal, Fidenio, ..

(female) Fideley, Fideli, ..

Middle name pairings:
Fidelio Mickey (F.M.), ..

How popular is Fidelio?

Fidelio is an uncommonly occurring given name for men. Fidelio is an unusual last name too for both adults and children. (2000 U.S. Census)

Which version is better?

with its source form and related boy names. Fidel (#1643 in recent rankings) is the only popular related form of Fidelio (outside Top 2000) rated in the Top 2000. Adoption of this form of Fidelio reached its apex 14 years ago (adoption of 0.01%) and is somewhat less today (adoption 0.01%, down 49%). (2015 U.S. SSA Records)

Top 2000 baby names ranking of Fidel in U.S.

Top 100 baby names ranking of Fidelio and related baby names outside U.S.

Similar Names

Suggested similar names are Adulio, Amelio, Arcelio, Aricelio, Aurelio, Celio, Cirilio, Emelio, Federico, Federigo, Feidhlim, Felic, Felim, Felipo, Felix, Field, Filip, Fillip, Findlie (see Finlay), Finlie, Finnlie, Fiorello, Gedalio (see Gedaliah), Giulio, Liberio, Lidio, Milesio, Odilio, Rogelio, Sidonio, Undeio (see Indio) and Videlio. These names tend to be more commonly used than Fidelio.

See names
in meaning and etymology.