Valentin - Wikipedia. Valentin or Valentín (Spanish) is a masculine given name. It comes from the Latin name Valentinus as in Saint Valentine. Valentín is also a German and Spanish surname, again a form of Valentinus. Valentin or Valentín may refer to: Contents. [ hide]. 1 Valentin. 1.1 Given name. 2 Valentín. 2.1 Surname. 3 See also ... en.wikipedia.org