Karl or Carl Ludwig may refer to:
- Charles I Louis, Elector Palatine (1617–1680)
- Karl Ludwig, Prince of Hohenlohe-Langenburg (1762–1825)
- Archduke Karl Ludwig of Austria (1833–1896)
- Carl Ludwig (1816–1895), German physician and physiologist
- Carl Ludwig (Medal of Honor) (1841–1913), Union Army soldier and Medal of Honor recipient
- Karl Ludwig (footballer) (1886–1948), German footballer
- Archduke Carl Ludwig of Austria (1918–2007)
- Karl Ludwig (sledge hockey) (born 1988), Canadian ice sledge hockey player
See also edit
This disambiguation page lists articles about people with the same name.
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