Naturalism may refer to:

• Realism
  • Naturalism (literature), a literary movement beginning in the late 19th century
  • Naturalism (theatre), a movement in European drama and theatre
  • Poetic naturalism, an approach of Sean M. Carroll

• Naturalism (philosophy), the idea that only natural laws and forces operate in the universe
  • Humanistic naturalism, a branch of philosophical naturalism
  • Liberal naturalism, a heterodox form of philosophical naturalism
  • Metaphysical naturalism, a philosophical basis for science
  • Religious naturalism, combines a naturalist worldview with ideals associated with many religions
  • Spiritual naturalism, combines a naturalist approach to spiritual ways of looking at the world
• Ethical naturalism, or moral naturalism
• Dialectical naturalism, a term coined by Murray Bookchin
• Political naturalism, a belief that there is a natural law

• Sociological naturalism, the view that the natural world and the social world are roughly identical
  • Critical naturalism, an idea of Roy Bhaskar
• Natural history, a domain of inquiry involving organisms
  • Naturalist, a person who studies natural history
• Naturalistic observation, a research methodology

• Naturalism (horse) (1988–2018), a racehorse

• All pages with titles beginning with Naturalism
• Naturalness (disambiguation)
• Naturism (disambiguation)
• Naturalistic fallacy, the mistake of inferring "ought" from "is"