Universality may refer to:

  • Universality (dynamical systems)
  • Universality (philosophy), meaning presence in all places and all times
  • Universality of the Church, theological concept in Christian ecclesiology

    Universality principle may refer to:

  • In statistics, universality principle, a property of systems that can be modeled by random matrices
  • In law, as a synonym for universal jurisdiction
  • In moral philosophy, the first formulation of Kant's categorical imperative.

    Universality may also refer to several concepts that are also known as "universality"
  • Background independence, a concept of universality in physical science
  • Turing-complete, a concept of universality in computation
  • Universal property, a mathematical concept
  • Universal jurisdiction, in international law
  • Lepton universality in the Standard Model of particle physics.