Arnau
/AA-R-N-AW/
Eagle ruler. The Catalan form of Arnold, from Germanic arn (eagle) and wald (rule).
Get Arnau's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Arnau:
How well does Arnau fit your family?
This page tells you what Arnau means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
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Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Yes — Arnau is a Christian boy name of Catalan origin, meaning “Eagle ruler. The Catalan form of Arnold, from Germanic arn (eagle) and wald (rule).”.
Arnau is a boy's name of Catalan origin, traditionally used in Christian families. The name means "Eagle ruler. The Catalan form of Arnold, from Germanic arn (eagle) and wald (rule)." and belongs to the Strength cluster — names for children with steady, unshakeable hearts.
Common among Catalan, Spanish, European families, Arnau carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
The patron saint & feast day behind Arnau
Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Arnau lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Arnau's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Arnau's saint & feast day →What does Arnau's numerology say?
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Arnau resonates in either tradition.
Arnau's destiny number is 1 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Arnau's full reading →
Does Arnau go with your family's names?
Arnau breaks into 4 sounds: /AA-R-N-AW/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Arnau sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Arnau beside your family's names →
Nicknames
Common affectionate forms of Arnau — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Names similar to Arnau
If Arnau resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in Catalan families
Sharing the same meaning
Other Christian boy names from the Strength cluster
Names that sound similar
Christian boy names that open with the same syllables as Arnau
Explore more names
Keep exploring names like Arnau — by tradition, by meaning, or by first letter.
Common questions about Arnau
What does the name Arnau mean?
Arnau means "Eagle ruler. The Catalan form of Arnold, from Germanic arn (eagle) and wald (rule).." It is a boy name of Catalan origin, traditionally used in Christian families.
Is Arnau a boy or girl name?
Arnau is most commonly used as a boy name.
What is the origin of the name Arnau?
Arnau is of Catalan origin, used in Christian tradition, commonly among Catalan, Spanish, European families.
Is Arnau a Christian name?
Yes. Arnau is a boy name traditionally used in Christian families, of Catalan origin.
What does Arnau mean in Catalan?
Arnau originates from Catalan, where it means "Eagle ruler. The Catalan form of Arnold, from Germanic arn (eagle) and wald (rule).."
What are common nicknames for Arnau?
Common short forms of Arnau include Arni, Nau.
What is the numerology of Arnau?
Arnau has a Pythagorean destiny number of 1 — leadership and pioneering spirit.
See how Arnau scores for your family
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