Guilherme is a Portuguese given name, equivalent to William in English. The feminine form of this name is Guilherma. Diminutive forms include Guilhermino and Guilhermina. Among these, only Guilherme and Guilhermina are common given names. Vilma (Portuguese form of Wilma) is another female variant of the name.
- Region of origin
- Brazilian Portuguese: [ɡiˈʎɛʁmi]