Boxer may refer to:

• A boxing competitor
• Boxer shorts, a style of undergarment based on those worn by boxers
• Boxer (dog), a breed of dog
• Boxer Rebellion, a Chinese uprising in the late 19th century
  • The Boxers were members of the Righteous Harmony Society
• HMS Boxer, nine Royal navy ships
• USS Boxer, six US Navy ships
• A flat engine, informally known as a "boxer engine"
• "The Boxer", a 1968 song by Simon & Garfunkel
• Boxer MRAV, a European military role armored vehicle
• Boxer TV Access, a Swedish digital TV-provider
• Barbara Boxer, United States senator
• Lim Yo-Hwan, the professional StarCraft player who uses the pseudonym SlayerS_`BoxeR`
• Boxer text editor, for DOS and Microsoft Windows
• Boxer (Turkish magazine), a magazine printed in Turkey
• Boxer (Animal Farm), a character in George Orwell's Animal Farm

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