What origin is the name Guillerme?

Guillerme comes from Spanish naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Guillerme?

Names from the same spanish tradition pair naturally with Guillerme — for example Elena, Ximena, Lola. You can browse more on our spanish names page.

Guillerme

Discover the meaning and origin of the name Guillerme

Guillerme

Boy

Spanish

3 syllables

Guillerme is a Spanish boy's name meaning "Resolute protector".

Guillerme is a boy name of Spanish origin meaning "Resolute protector". At 9 letters it is a longer name, which leaves room for a nickname. It has 3 syllables.

Origin: Spanish
Gender: Boy
Syllables: 3

Last updated 24 October 2026.

Meaning

Resolute protector

Popularity

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Guillerme

What does Guillerme mean?

Guillerme is a boy name of Spanish origin meaning "Resolute protector".

How popular is Guillerme?

We have no birth-record ranking for Guillerme: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Guillerme

Elena Ximena Lola Catalina Carmen Jimena

How to say Guillerme

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Name numerology

5is the Chaldean number for Guillerme.

Number 5 is linked with curiosity, freedom and adventure.

More names with number 5

Numerology is a cultural tradition for fun, not a prediction.

Compare Guillerme with other names

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Names with a similar meaning to Guillerme

Guillerme means "Resolute protector" — these names share that spirit.

Liam — "Liam is the Irish short form of William, from Germanic words meaning 'will' and 'helmet', so 'resolute protector'." (Irish)
William — "William comes from the Germanic Willahelm, from wil 'will, desire' and helm 'helmet, protection', so 'resolute protector'." (German)

More names by meaning: Boy Names That Mean Protector & Guardian