Barbarism, barbarity, or barbarous may refer to:

• Barbarism (linguistics), a non-standard word, expression, or pronunciation
  • Hybrid words, formerly called "barbarisms"
• Any society construed as barbarian
  • Barbarian invasions, a period of migrations within or into Europe in the middle of the first millennium AD

• Barbary
• Berber (disambiguation)
• Barbary Coast
• Barbary Pirates
• Abuse (disambiguation)
• Barbarian (disambiguation)
• Barbarous name, a meaningless or seemingly meaningless word used in magic rituals
• Socialism or Barbarism, a 2001 book about globalism by István Mészáros
• Primitive Culture (book), 1871 book about "primitive" versus "civilised" societies
• War crime, an act that constitutes a serious violation of the law of war