Look up Lothar in Wiktionary, the free dictionary.
Lothar is a family name and a given name.
Lothar may also refer to:
- Lothar (storm), an extratropical cyclone that hit Central Europe in 1999
- Lothar (Metabarons), a fictional robot in Metabarons
- Lothar, Nepal
- Lothar I or Lothair I (795–855)
- Lothar, a fictional character and sidekick of Mandrake the Magician