Siegfried could refer to:

• The German language male Given name, meaning roughly Victorious Peace

• The dragon-slaying hero in the Nibelungenlied, an epic poem in Middle High German, also called Sigurd in related Norse mythology
• The Siegfried (opera) by Richard Wagner based on this character
• Siegfried Line - line of defensive forts and tank defenses
• German Movies based on this character:
  • 1924 Fritz Lang's UFA silent movie ^*
  • 1966 Harald Reinl's version ^*
  • 2005 Sven Unterwaldt's comedy ^*

• A character (prince) in the ballet Swan Lake
• Sigfrid of Sweden, evangelist in Sweden and patron saint of Växjö
• the evil KAOS agent from the 1960s TV series Get Smart; see Siegfried (Get Smart)
• Siegfried Fischbacher from Siegfried & Roy
• Siegfried Schtauffen, the main character of the Soul Series of fighting videogames.

Siegfried | Siegfried | Siegfried | Siegfried | Зигфрид (значения)