Trait may refer to:

• Phenotypic trait in biology, which involve genes and characteristics of organisms
• Genotypic trait, sometimes but not always presenting as a phenotypic trait
• Personality, traits that predict an individual's behavior.
  • Trait theory in psychology
• Trait (computer programming), a model for structuring object-oriented programs (a template class in the C++ programming language)

Entertainment[edit]

• Trait (album), the first and only EP by the industrial rock/metal band Pailhead
• Traits (Joe Morris album)
• Trait (role-playing games), a type of role-playing statistic