Ludwig is a surname of German origin. It is derived from the Old High German given name Ludwig, which means "famous warrior". As a surname, Ludwig may refer to:
Albert Ludwig (born 1919), Canadian politician
Alexander Ludwig (born 1992), Canadian actor
Alice Ludwig (1910–1973), German film editor
Andy Ludwig (born 1964), American football coach
Bob Ludwig (born 1945), American sound engineer
Brandon Ludwig (born 1985), Canadian actor
Carl Ludwig (1816–1895), German physiologist
Christa Ludwig (born 1928), German singer
Christian Gottlieb Ludwig (1709–1773), German botanist
Craig Ludwig (born 1961), American ice hockey player
Daniel K. Ludwig (1897–1992), American businessman
David Ludwig (composer) (born 1974), American composer
Duane Ludwig (born 1978), American mixed martial artist
Edmund V. Ludwig (born 1928), American judge
Edward Ludwig (1899–1982), American film director
Emil Ludwig (1881–1948), Swiss writer
Franz Ludwig (1876–1927), German actor
Friedrich Ludwig (painter) (1895–1970), German painter
Friedrich Ludwig (botanist) (1851–1918), German botanist
Friedrich Ludwig (musicologist) (1872–1930), German historian, musicologist, and college instructor
Geeske Ludwig (born 1967), Dutch cricketer
Jens Ludwig (born 1977), German musician
Jens Ludwig (economist) (born 1968), American economist
Joe Ludwig (born 1959), Australian politician
Ken Ludwig (born 1950), American playwright
Klaus Ludwig (born 1949), German race driver
Laura Ludwig (born 1986), German beach volleyball player
Martha L. Ludwig (1931–2006), American scientist
Olaf Ludwig (born 1960), German cyclist
Otto Ludwig (writer) (1813–1865), German writer
Vera Ludwig (born 1978), German poet
William Ludwig (1912–1999), American writer
