Vásquez is a surname of Galician origin, which later spread all over the Spanish-speaking world. Alternative spellings of the name include Vázquez or Vasques (particularly in regions with seseo), and Vasquez or Vazquez (in countries where Iberian languages are not commonly spoken).
To a lesser extent it also occurs in Portuguese-speaking countries (spelled Vasques), where Vasco is also used as a surname. Vasquez means "[son] of Vasco", and Vasco comes from the pre-Roman latinized name "Velascus", a name of uncertain... meer