Groucho Marx (1890–1977) was an American comedian

Groucho could also refer to:

• Groucho: A Life in Revue, a musical revue about the life of the comedian
• Groucho Club, a private arts club in London
• Groucho, a supporting character in the comic book series Dylan Dog
• Groucho, a transcription-inhibiting factor in genetics
• Groucho is an enemy which resembles Groucho Marx's face from the Japanese game Mother
• groucho-, a facetious 1993 proposal for an SI unit prefix standing for 10⁻³⁰

• Oscar the Grouch, Muppet character on Sesame Street TV program

This disambiguation page lists articles associated with the title Groucho.
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