Karl Marx (1818–1883) was a German philosopher, economist and founder of Marxism.

Marx may also refer to:

• Marx (surname), people named Marx

• Marx Memorial Library, London
• Marks, Russia, a town in Russia (also spelled Marx)

• Louis Marx and Company, an American toy manufacturing company
• Marx (Kirby), a character from the Kirby series of video games

• Marx generator, an electrical circuit which produces high-voltage pulses
• St. Marx cemetery, Landstraße, Vienna

This disambiguation page lists articles associated with the title Marx.
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