Marie Neurath, born Marie Reidemeister (27 May 1898 – 10 October 1986), was a German designer, social scientist and author.
Neurath was a member of the team that developed a simplified pictographic language, the Vienna Method of Pictorial Statistics (Wiener Methode der Bildstatistik), which she later renamed Isotype.
She was also a prolific writer and designer of educational books for younger readers.