Boxer most commonly refers to:

• Boxer (boxing), a competitor in the sport of boxing
• Boxer (dog breed), a breed of dog

Boxer or boxers may also refer to:

• Boxer crab
• Boxer shrimp, a small group of decapod crustaceans
• Boxer snipe eel, Nemichthys curvirostris

• Boxer TV Access, a Swedish digital TV provider
• Boxer (1984 film), a 1984 Hindi-language film
• Boxer (2015 film), a 2015 Kannada-language film
• Boxer (2018 film) a 2018 Bengali-language film
• The Boxer (1997 film), a 1997 film starring Daniel Day-Lewis
• The Boxer (1958 film), a 1958 Mexican sports drama film
• The Boxer (2012 film), a 2012 short film starring Paul Barber
• The Boxer, aka Ripped Off, a 1972 Italian film starring Robert Blake and Ernest Borgnine
• The Boxers, a Hong Kong film of 1973

• Boxer (armoured fighting vehicle), a European, multi-role, armoured vehicle
• Boxer Rebellion, a 1900 armed conflict in China
  • Boxer movement, participants in the Boxer Rebellion
  • Boxer Protocol
• HMS Boxer, nine ships of the Royal Navy, 1797–2004
• USS Boxer, six US Navy ships
• Operation Boxer, a 1969 series of Israeli air attacks on Egyptian targets near the Suez Canal

• Boxer (band), a rock band formed in 1975
• Boxer (The National album), 2007
• Boxer (Johannes Oerding album), 2011
• "Boxers" (song), a 1995 song by Morrissey
• "The Boxer", a 1968 song by Simon & Garfunkel
• The Boxer (album), by Kele Okereke, 2010
• "The Boxer" (The Chemical Brothers song), 2005
• "Boxer", a 2004 song by Sara Groves from the album The Other Side of Something
• "The Boxer", a 2009 song by Editors from the album In This Light and on This Evening
• "The Boxer", a 2001 song by Carbon Leaf from the album Echo Echo

• Boxer (surname)
• BoxeR (Lim Yo-hwan, born 1980), professional StarCraft player

• Boxer engine, a type of internal combustion engine
• Peugeot Boxer, a van
• Ferrari Berlinetta Boxer, a sports car

• Boxer shorts or Boxer briefs, two styles of male undergarment based on shorts
• Boxer (grape), another name for the German wine grape Bukettraube
• Boxer (magazine), a magazine printed in Turkey
• Boxer (Animal Farm), a character in George Orwell's Animal Farm
• Balrog (Street Fighter), a Street Fighter character often called Boxer
• Boxers (graphic novel), by Gene Luen Yang, 2013
• The Boxer (manhwa), a South Korean manhwa series
• The Boxers (sculpture), a 1987 work by Keith Haring in Berlin, Germany
• Boxer at Rest, a Hellenistic Greek sculpture created between 330 and 50 BCE
• Boxer Codex, a manuscript written circa 1595 containing illustrations depicting the inhabitants of the Philippines at the time of their contact with Spaniards
• Boxer disease or Dementia pugilistica, chronic brain injury caused by blows to the head
• Boxer primer, a type of centerfire ammunition primer

• Boxing (disambiguation)