Meaning and Origin of: Guillermo

Guillermo means "Resolute" and "Protector" and has Spanish and Teutonic origin.

Boy name origins & meanings

  • Spanish : Resolute, protector
  • Teutonic : Valiant protector

Boy name variations

Guillaume
Guilherme
Gillermo
Gughilmo
Gwillyn
Gwilym
William
Wil
Will
Willem
Wilhelm
Wilmos
Wilmot
Wilson
Williams
Williamson
Wills
Willie
Willy
Wiley
Wyley
Wilkie
Willkie
Wilkes
Wylkes
Willis
Wilton
Wilmer
Wilmar
Winton
Willard
Wilford
Vilhelm
Vilem
Viliam
Vasili
Vasily
Uilleam
Uilliam

Family name origins & meanings

  • Spanish : from the personal name Guillermo, Spanish equivalent of William.