Sigmund \s(i)-gmu-nd, sig-mund\ as a boy's name is pronounced SIG-mund. It is of Old German origin, and the meaning of Sigmund is "victorious hand or protector". Name of a character from Wagner's "Ring" cycle of operas, son of the god Wotan, who fathers Siegfried on his own sister, Sieglinde. A name made famous by the Austrian psychoanalyst Sigmund Freud.

Sigmund has 13 variant forms: Seigmond, Segismond, Siegmund, Sigismond, Sigismondo, Sigismund, Sigismundo, Sigismundus, Sigmond, Szymond, Zikmund, Zsigmond and Zygmunt.