Girl Name · Germanic Origin
Guillermina
Last reviewed: June 2026
Guillermina — a girl name from the Germanic tradition — is an uncommon, standout choice. Its meaning, "Resolute protector", anchors the name in something deeper than sound alone. If Guillermo is on your shortlist, Guillermina belongs in the same conversation.
Names like Guillermina
Frequently asked about Guillermina
What does the name Guillermina mean?
Guillermina means "Resolute protector" and is of Germanic origin.
What is the origin of Guillermina?
Guillermina originates in Germanic naming tradition.
How do you pronounce Guillermina?
Guillermina has 11 letters and is most commonly stressed on the first syllable.
Is Guillermina a boy's or girl's name?
Guillermina is primarily used as a girl's name in US records.
How popular is Guillermina in 2026?
In our 2026 popularity tracker, Guillermina sits in the Rare tier — an uncommon, standout choice.
What names are similar to Guillermina?
Names that share Guillermina's sound and style include Guillermo, Gillermo, Georgianna, Georgeanna, Glenna.