Siegfried \si(e)-gf-ried, sieg-fried\ as a boy's name is of Old German origin, and the meaning of Siegfried is "peace of victory". Name of the hero of Wagner's "Ring" cycle of operas, son of Siegmund, and husband of Brunhilde.
Siegfried has 6 variant forms: Sigfred, Sigfrid, Sigfried, Sigfryd, Sigvard and Sygfried.