Mathematics
* Unitary divisor * Unitary element * Unitary group * Unitary matrix * Unitary morphism * Unitary operator * Unitary transformation * Unitary representation * Unitarity (physics) * ''E''-unitary inverse semigroupPolitics
* Unitary authority * Unitary stateSee also
* Unital (disambiguation) * Unitarianism, belief that God is one entity * * {{disambiguation