Guilherme
BoyPortuguese
Guilherme is a boy name of Portuguese origin meaning "Resolute protector".
About this name
Gender
Boy
Language
Portuguese
Religion
Christian
Popularity
57 / 100
Syllables
2
Length
9 letters
Meaning
Resolute protector
Etymology
Derived from the Old German name Wilhelm, composed of wil ‘will, desire’ and helm ‘helmet, protection’, adapted into Portuguese as Guilherme.
Famous People Named Guilherme
- Guilherme de Cássio Alves — Brazilian footballer
Frequently Asked Questions About Guilherme
What does the name Guilherme mean?
Guilherme means "Resolute protector", and is of Portuguese origin.
What is the origin of the name Guilherme?
Guilherme originates from Portuguese, commonly used in Western Europe.
Is Guilherme a boy or girl name?
Guilherme is typically used as a boy name.
What religion is the name Guilherme associated with?
Guilherme is associated with Christian.
Are there famous people named Guilherme?
Yes — notable people named Guilherme include Guilherme de Cássio Alves (Brazilian footballer).
Last updated: June 2026