Ludwig may refer to:

  • Ludwig (given name), a German name
  • Ludwig (surname), a German surname
  • Ludwig (film), a 1972 film by Luchino Visconti about Ludwig II of Bavaria
  • Ludwig (cartoon), a 1977 animated children's series
  • Ludwig Maximilian University of Munich
  • Ludwig-Musser, manufacturer of Ludwig Drums and Percussion Instruments
  • Ludwig von Mises Institute, a libertarian academic research organization
  • Ludwig, later Ludwig & Company, a New-York-based piano manufacturer in the early 20th century
  • Ludwig, a neo-nazi sigla (or nom de plume) used by the serial killers Wolfgang Abel and Mario Furlan
  • Ludwig, from Emma & Ludwig, Popular, short-lived, viral cartoon show