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Gender: Male Pronunciation: ghee-YARE-mo Origin of Guillermo: Spanish variation of William Meaning of William: English from German, "resolute protection" Guillermo's Popularity in 2017: #793

The name Guillermo is a boy's name of Spanish origin. Guillermo is ranked #793 on our popularity charts and is often added to lists like International Variations of William and discussed in our forums with posts like "Names on NB that make you go WOW!".

From the experts:

As with Guillaume (see above), Liam, Willem, and Wilhelm, everyday Williams in their own countries, Guillermo is a captivating possibility here. Giermo, Gigermo, Gijermo, Gillermo, Gillirmo, Giyermo, Guermillo, Guiermo Guilermón, Guille, Guillelmo, Guillermino, Guillo, Guirmo, Gullermo, Llermo, Memo, Quillermo.

Find other names based on Guillermo using our baby name generator.

Famous People Named Guillermo

Guillermo del Toro, Mexican director
Guillermo Ochoa, Mexican goalie nicknamed "Mexican Jesus"
Guillermo Diaz, American actor

Pop Culture References for the name Guillermo

Guillermo Garcia Gomez, character on TV's "Weeds"