Lothar is a Danish, Finnish, German, Norwegian, and Swedish masculine given name, while Lotár is a Hungarian masculine given name. Both names are modern forms of the Germanic Chlothar (which is a blended form of Hlūdaz, meaning "fame", and Harjaz, meaning "army").^[1][2] Notable people with this name include:

Surname

• Ernst Lothar (1890–1974), Moravian-Austrian writer
• Hanns Lothar or Hanns Lothar Neutze (1929–1967), German actor
• Mark Lothar (1902–1985), German composer
• Rudolf Lothar (1865–1943), Hungarian-born Austrian writer
• Susanne Lothar (1960–2012), German actress

Given name

Fictional characters

• Lothar (Legends of Chima), a character in Legends of Chima
• Lothar – comic character, sidekick to Mandrake the Magician created by Lee Falk
• Lothar – a gatekeeper in the 2016 Indian film Mohenjo Daro
• Lothar – a Nazi spy for Germany, sidekick to Nazi spy Neville Sinclair in the Rocketeer
• Lothar - character in E. T. A. Hoffmann's The Sandman
• Lothar Weiser – a spy for Socialist East Germany in Arnaldur Indriðason's book, The Draining Lake
• Anduin Lothar – a historical warrior in the Warcraft Universe
• Lothar – a robot in The Metabarons
• Lothar – a powerful Planewalker wizard in the Planescape setting for Dungeons & Dragons, likewise appearing in the game Planescape: Torment
• Lothar of the Hill People - a character in an SNL skit played by Mike Myers