Legion of Honor or Legion of Honour may refer to:

• Légion d'honneur, one of the highest decorations awarded by France
• Philippine Legion of Honor, one of the highest decorations awarded by the Philippines
• Palais de la Légion d'Honneur, a building in Paris constructed as a tribute to the members of the Légion d'honneur
• California Palace of the Legion of Honor, a museum in San Francisco, whose building is based upon the Paris Palais de la Légion d'honneur
• Sigma Nu Fraternity, a men's college social fraternity who style themselves as such, and whose official initiate badge is modeled after the above French award
• Legion of Honor may refer to a vanity award sold by the American Biographical Institute

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