Boy name · Latin
Fidel
“faithful”
Vibes
Common nicknames
Short-forms and diminutives parents often use for Fidel.
Explore Fidel further
Similar-feel alternatives, or middle-name candidates that pair well with Fidel — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
Fidel is the masculine Latin fidelis, faithful, and it reached Spanish through Saint Fidelis of Sigmaringen, a seventeenth-century Capuchin martyr. The name existed for three centuries before the association that now dominates it.
Castro is unavoidable, and it is the reason the name is effectively frozen in English-speaking countries while remaining ordinary in Mexico, Spain and the Philippines. It has never ranked in the US top 1000.
Del is the short form that steps around the association. Two syllables want two or three (Fidel Mateo, Fidel Ignacio). On our vibe map it is Heirloom with Vintage Elegant polish.
More Latin names
Fidel sits in our Latin set — these share its roots.
All Latin names →Fidel — common questions
Is Fidel a boy or girl name?
Fidel is traditionally a boy name of Latin origin.
What does the name Fidel mean?
Fidel means “faithful” of Latin origin. Fidel is the masculine Latin fidelis, faithful, and it reached Spanish through Saint Fidelis of Sigmaringen, a seventeenth-century Capuchin martyr. The name existed for three centuries before the association that now dominates it.
Where does the name Fidel come from?
Fidel is Latin in origin. Castro is unavoidable, and it is the reason the name is effectively frozen in English-speaking countries while remaining ordinary in Mexico, Spain and the Philippines. It has never ranked in the US top 1000.
What are common nicknames for Fidel?
Fide and Del — the short-forms parents most often use for Fidel.
How popular is Fidel?
Fidel did not make the top 1,000 boys' names in US Social Security Administration data for 2025, which makes it genuinely rare in the US.
Bring the name into the room
A couple of nice things named Fidel you might want for the nursery.